our guest is the stephen chbosky who wrote the best selling why book, the perks of being a wallflower version starring emma watson. this year stephen took his sweet time. 20 years later, he's out with his second book "imaginary friend." it's a total new genre for you. >> yes, it is. >> so great to see you. >> thank you. i'm very excited to be here. the first person who interviewed me when i came to san francisco for the perks of being a wallflower movie was gavin newsom. so i fully anticipate you becoming the governor. >> i anticipate that as well which is why i have you on the show. >> i'm a very good luck charm. >> slnts. 20 years, that's a huge build-up. are your fans the ones who love perks, are they going to be excited about this? >> thus far, they've been incredibly excited. i just heard that we made "the new york times" best seller list in the first week, which is fantastic. and everybody that's loved "perks of being a wallflower" they love it because the book, yes, it's scary but equal parts heart and horror. >> what's the premise. >> it came from this idea. something that we