MICHEL MARTIN, HOST: Our Planet Money team has been reporting a series on the inner workings of the publishing industry and the publication of Planet Money's first book. And as Alexi Horowitz-Ghazi tells us, every book in a store went through a lot to get there. ALEXI HOROWITZ-GHAZI, BYLINE: Like sea turtle hatchlings trying to reach the sea, most books never make it onto a bookshelf near you.