book tv spoke to diane mancher, the founder and organizer of the self-publishing book expo, about how the industry has grown so fast. >> i think just the sheer number of books theme are self-publishing is tremendous now, and i think that they've have a lot more available to them than authors ever had before. now there are things like crowd funding, and things like kick start or publish, where people can raise money on their own. to do the things they really need to do to publish -- we like to say to publish smarter, and i think a lot of people now -- the more they sort of learn, the more they realize that there are things they can too themselves. i think before that a lot of them were going to the self-publishing company, whichever company, and purchasing the packaging. i also think now there's a lot of traditionally authors who are becoming hybrid authors. they're still publishing traditionally and choosing to self-publish on their own. so, i think it's a mix but i think just the sheer numbers come from the idea that people are starting to learn how to do it right, turning them out q