movie two-vie "kwant join us with matthew fox, stanley tucci, mo morrisey and many more. "nightline" is next. tonight on "nightline" -- steamy, sexy books, like "50 shades of gray" for those below the drinking age. the racy new revolution that has young adult fiction flying off the shelves. body guard confidential. from rihanna's punch-out to justin beesh's smackdown, inside the world of the people paid to protect celebrities, billionaires and v.i.p.s. american women fighting an invisible war, the

oscar-nominated documentary shining a light on a hidden epidemic, reaching the military's highest ranks. >> keep it right here america. "nightline" is back in just 60 seconds. [ woman ] don't forget the yard work! okay. [ male announcer ] with citibank's popmoney, dan can easily send money by email right from his citibank account. nice job ben. [ male announcer ] next up, the gutters. citibank popmoney. easier banking. standard at citibank.

makes it easy for anne to manage her finances when she's on the go. even when she's not going anywhere. citibank for ipad. easier banking. standard at citibank. from new york city, this is "nightline." with cynthia mcfadden. >> good evening and thanks for joining us. well, move aside nancy drew, these days the hottest new trend in young adult fiction is decidedly adult. racy reads with sexual themes finding a passional ate fan base in young girls all across the country but is extending the white-hot success of "50 shades of gray" to a younger audience a good idea? ju you why chang brings us a look between the lines. >> reporter: if you could put lust in a bottle. >> it's like a drug to me.

>> reporter: it might look something like this, the nectar forbidden love. before "twilight" was a blockbuster movie it was a publishing gold mine, selling $250 million copies. and "twilight" inspired e.l. james to write "fifthty shades of grey" a kinky juggernaut, leading to bondage classes and single-handedly boosting publishing. at one.the trilogy took the top three slots of the "the new york times" best sellers list. now a new genre mixing erotic fiction with the young adilt dult fan base, called new adisability. >> cradles my head and lowers me back to the bed, climbing on top of me, i love you, he says, i've loved you for so long but i just couldn't tell you. >> reporter: at the real bookstore in dallas, the authors are getting the rock star treatment. >> thank you for coming. oh, my god. >> reporter: fans drove hundreds

of miles for a chance to meet colleen hoover a 30-something mom of three boys. a year ago a social worker proudly living in a single-wide trailer. sensor her talent her mom said, hey, you should write a book. >> i thought, i should write this and give it to my mom for christmas. >> reporter: she published her novel "slammed" a love story with more sexual tension than actual sex. taboo relationship set against poetry slams. we talked to her among fans. >> i tried agents and i got a lot of rejection letters about how i should change it to third person, take out the poetry, maybe -- >> oh! >> no. >> the book was out and i was getting rejection letters after it hit the "the new york times." >> reporter: as she's getting turned down by publishers and agents she made it to the best seller list, she made it on to the list five months after being

a christmas present to mom. >> every day my sales increased by one or two until eventually it hit the top 100. >> reporter: the demand for new adisability books has boosted by mature themes, the stories often involve young lovers finding their way flay complex world. >> i look at you, i know you're scared, you act like you're not but you are. i know you now, we've been doing this. >> you don't know me. >> reporter: like the hit hbo show "girls" plenty of high-intensity relationships with relatable characters. chock full of drama. it's a bit like a classic harlequin romance but set in modern times with younger characters. say, in college, coming of age and often exploring their sexuality. you wrote a book about a girl desperate to lose her virginity. >> i think it's a timely subject. >> reporter: like nancy drew grew up and she's a little bit slutty. just a little bit. cora is a breakout new adisability author in her 20s,

as a college student she wrote "losing it" during a three-week break from school. >> if i make $1,000 it will bow worth it. >> reporter: when you sell a self-published book how much do you make it? >> my price point was 3.99 and i made about $200,000. >> i curled up on my bed, the same bed where i almost had sex, the same bed where i wanted to have sex, sort of. >> reporter: maggie admits she hasn't read a book in years until she picked up "50 shades of grey." i went from reading zero books to over 100 in eight months. >> reporter: has it improved your sex life? >> i always had a good sex life. >> reporter: but fans of new adult say books ignited a passion for tleegd goes well beyond steamy love scenes. how much is the sexuality do you that i young readers are drawn to?

>> i wouldn't say it's the sexuality, i think the falling in love part that really draws me in. everybody wants that for themselves. >> reporter: how do you respond to the criticism this isn't really literature, just -- you're offended? >> what was i reading? i don't understand. it's around my age, i'm like that's me. every character is me. so, - -- >> i think it's indicative of the rise of self-publishing. >> reporter: a rise in the pow are of the reader on social media. elizabeth chandler co-founded goodreads.com where 14 million book worms recommend books to each other. colleen cleverly gave way cop dwros key good reads bloggers and word of mouth ricocheted around the internet. publishers took notice, readers responded and they drove the trend. >> reporter: so it's growing at a time when people think books are dying. >> we don't think that on good

reads. >> reporter: it's a revolution in the good world led by writers like colleen who could be the hero hero heroine in her own cinderella story. her mom retired early, her husband was able to quit his job as a trucker and they bought a three-bred bed room home. it's like hittinged jackpot. >> this year has been crazy. >> reporter: a slam dunk for the whole family. i'm juju chang in dallas, texas. >> well, just ahead, there is a guy protecting a-listers like rihanna from paparazzi and rowdy fans. we bring you signed the high stakes world of the hollywood bo bodyguard. [ male announcer ] ok, here's the way the system works. let's say you pay your guy around 2% to manage your money. that's not much you think. except it's 2% every year. does that make a difference? search "cost of financial advisors" ouch. over time it really adds up.

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strong and silent centerpiece of the celebrity entourage, providing security and the ultimate status symbol. car chases, crazy fans, paparazzi scrum, out to make sure nobody messes with their cliebts. how big the business and is it really necessary? abc's clayton sandell has the answer. >> reporter: celebrities and their bodyguards, from lindsay lohan to justin bieber to rihanna in london. hollywood bodyguards can stir up trouble. clashing with paparazzi and

unruly fans, pushing boundaries and even getting hurt and killed. that's where kent moyer and his grouch 200 agents come in. moyer and partner keith wiggins wired with earpieces today are tailing actor jimmy bennett, he's 17 and already a veteran actor with a ton of movie and tv credits, recently on abc ap "no ordinary family" and cameo as future star fleet captain in "star trek." >> citizen, what is your name? >> reporter: hardly an a-lister but even he has bodyguards. >> is it strange having people tailing you everywhere and talking into their -- >> definitely is weird. it causes attention. >> reporter: when he calls on them his bodyguards are with him every step of the way but we had to ask, is all of this really necessary? no offense, but you're not yet a household name like brad pitt. >> i just felt like it was needed, i had too many incidents and too many things, i like

having those guys around. >> reporter: finally, it's go time. they arrive at a hollywood movie studio, thousands of partygoers and potential threats are everywhere. >> we're looking for bad guys, body language, facial expressions and people that maybe have a fixation with him that maybe want to approach him. >> reporter: personal protection is a huge business. demand is going up? >> yes, absolutely. >> reporter: why? >> i think we're in a dangerous time and i think that people are a bit more concerned about the security. >> reporter: that protection does not come cheap. >> could be from 250 to $1.5 million a year depending on the individual client. >> reporter: the danger is so real, the lapd created a unit to handle stalkers making threats against stars like britney spears, paula abdul and jennifer garner. moyer got his start working security at the playboy mansion. 12 years ago he founded the world protection group. >> looking for people that don't fit in.

>> reporter: teaches secret service style tactics and celebrity protection. they learn to deal with stalkers, crowd control and how to make a quick escape. >> let's go, move, move, move. get in the car, go. >> reporter: everyone of these guys is a threat. everyone of these guys is a bad guy. >> look over here. >> reporter: like many, this agent has a police and military background. he says the danger in protection work is real. >> it doesn't matter if you're a a or boc lister always somebody potentially, if you spotlight, somebody might want to cause you harm. >> reporter: occasionally celebrities get very close to their bodyguards, relationship turns hot and heavy. hei heidi klum admitted sparking a relationship with her bodyguards. >> a relationship with somebody that works with you, your bothered guard bothered -- bodyguards.

>> he's scared for our family our four children. >> reporter: tv cameras caught kim kardashian and her former bodyguard in a lip lock. >> we got a chance to -- >> reporter: and who could forget kevin and whitney. ♪ love you >> reporter: when you see "the bodyguard" or you hear heidi klum's story, what do you tell agents? >> you are not their buddy and not their boyfriend or girlfriend and always maintain the professional barrier. >> reporter: sometimes it goes bad, justin bieber and britney sued by former bodyguards. as a status symbol, a bodyguard says you have arrived. >> a certain percentage of sent type people that want to have that bodyguard for the purposes of saying i got a bodyguard. >> reporter: create buzz. >> when really there is not much of a threat, more of a showpiece. >> reporter: bennett, now branching out into music admits

the risk is low but the expense of a security detail is well worth the peace of mind. >> you're more in the public space, there is more of a threat but i mean, as long as i have my guys, i don't think i will be worried. >> reporter: another night in the life of a hollywood star. with an extra pair of eyes always watching. for "nightline" i'm clayton sandell in los angeles. next up, they're fighting to defend our country but a hidden battle is taking a terrible toll, inside the secret war that reaches all of the way to the top of the u.s. military. i had enough of feeling embarrassed about my skin. [ designer ] enough of just covering up my moderate to severe plaque psoriasis. i decided enough is enough. ♪ [ spa lady ] i started enbrel. it's clinically proven to provide clearer skin. [ rv guy ] enbrel may not work for everyone -- and may not clear you completely, but for many, it gets skin clearer fast, within 2 months, and keeps it clearer through 6 months.

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it has long been a shameful secret inside the u.s. military. the widespread epidemic of rape and sexual assault. for our country's defenders, finding themselves defensiveless and often without a way to seek justice. now, many of them are telling their stories in a powerful and moving oscar-nominated

documentary. women have reached some of the highest echelons in the military. they are fighter pilots. at the controls of marine one and have earned silver stars for courage under fire as well as a general's four stars. while they may be succeeding on the front lines there is an invisible battle taking its toll. listen to these women. >> the day i was raped -- >> he hit me in the head and knocked me out. >> i remember holding the closet thinking, what just happened? >> reporter: their stories are at the heart of the oscar-nominated documentary "the invisible war." >> if this is happening to me surely i'm not the only one. >> reporter: a film that shines a light on a hidden epidemic. according to the department of veterans affairs some 30% of women in the military have been raped or sexually assaulted while serving their country. >> just astounded by the statistics.

i mean, 19,000 men and women are being sexually assaulted in the u.s. military. >> reporter: the film unveils not just high prevalence of attacks but also focuses on the military's response. >> you keep hearing the same stories again and again. three times we heard a story about a woman, single, raped by a married man but she was threatened to be charged with adultery. >> reporter: jessica hundred ves, one of the survivors whose story is highlighted in the film. >> the military was something i always wanted to do. i come from a military family, i wanted to join and start a career. >> reporter: did you enlist? >> i did. yes, ma'am. >> reporter: tell me what you did. >> i was crew chief on an f-15, i was responsible for the aircraft, top to do tbottom. i wanted to retire from the military. i was retired with ptsd. >> reporter: tell me what happened. >> a guy was in an adjoining

room, he broke in through my bathroom, raped me, walked back out, grabbed his book bag and didn't say anything to anybody and left. >> reporter: he told authorities he stopped when she said no but while jessica was transferred to another base, the man she accused of raping her was given a commendation for his work. ultimately the military command weighed in and dismissed the case. >> i felt like this was a threat to justice and this is so wrong. >> reporter: in fact, only 8% of assault cases go to trial. >> it's fully controlled by the chain of command, not an impartial judicial system like we expect as americans. >> reporter: susan burke represents jessica and dozens other servicemen and women in a lawsuit against the military. >> from my perspective we have the supreme who are the bravest among us, the most willing to get out there and sacrifice to defend the nation, they don't enjoy the same justice that we as americans take for granted. >> reporter: not just that your

predator won't be punished,ed chances are you will be. >> you lose your career. every survivor who had the courage to report, all of them drummed out of the service. >> reporter: the case was recently dismissed. >> they said rape is a hazard to military service and i can't believe this is reality. it's unnerving, at best. >> reporter: that rape is a hazard of military service? >> yes. if the activity -- the buzz phrase is incident to service. it's an occupational hazard. >> more women are raped that injured in combat even. >> reporter: it's important to emphasize, to hear someone hear you say that and say proof that women shouldn't be in the military, more men are raped than women. >> more men are raped than women in the military. >> reporter: the military reaction to the film, far from criticizing it, the military has been using the film in its sexual assault training program. >> we estimate that in 2012

alone, 10% of the military saw the film. 235,000 men and women, so we hope that changes culture. but again, the most important change has to come at the top. >> reporter: and that may be happening, within days of screening the film, secretary of defense leon panetta called for change. >> sexual assault has no place in the military. it is a violation of everything that the u.s. military stands for. >> reporter: jessica hundred ves and susan burke say relying on the military to correct the problem is naive. congress needs to act to change the law. >> if congress doesn't step forward and fix it, what we have -- we've made our troops second class citizens in our own nation. >> reporter: can we fix it? >> they have a power to eradicate rape and eradicate sexual assault. it's doable. it just needs to be done. >> it doesn't have to take another 20 years or even a year

or two this can be done immediately and effectively. >> reporter: zero tolerance. >> there is no excuse. >> a powerful documentary, indeed, that leads us to tonight's closing arguments. should the u.s. military adopt a zero tolerance policy when it comes to sexual assault? should the law be changed? we want to know what you think. you can weigh in on the "nightline" facebook page or tweet us @nightline or @ cynthia mcfadden. sunday night is oscar night here on abc beginning 7:00 p.m. in the east, 4:00 p.m. in the west. we're wondering if "invisible war" will win. thank you for watching. good night, america. ♪ ♪ if loving you is wrong ♪ i don't wanna be right [ record scratch ] what?! it's not bad for you. it just tastes that way. [ female announcer ] honey nut cheerios cereal --