As well, online bookstores already giveaway free chapters of books in order to entice readers. (goodereader.com)
He'll download the first free chapters of a book, then if he likes it, he'll go to the library and check it out. (buildbookbuzz.com)
Offer free chapters of your book in exchange for emails on your author website so that you can start building an email list (edwardsbrothersmalloy.com)