A growing legion of indie bookstore fans are using IndieBound.org's Wish List feature to build a list of books they want, alongside a list of their favorite bookstores, and to e-mail it to family and friends. Although Wish Lists were introduced on IndieBound.org for Holiday 2008, this past March saw more lists created than any previous month."It came as a surprise to me," said Web Content Coordinator Matt Supko.