A WordPress Bookstore Plugin to help authors boost book sales on sites like Amazon and Apple iBooks with great-looking book pages.
[No longer under development! See the Author Showcase plugin for similar, extended functionality.] Buy This Book allows authors to display their books
Turn your website into a book marketing machine! TotallyBooked allows you to add books, purchase buttons, and extras to your site in minutes.
Displays one or more random book covers of a Smashwords author. Can be used by authors to display their work, by fans or by affiliate partners.
EZBuyButton Buy Book Widget for Authors plugin allows you to embed the EZBuyButton on Posts, Pages, and on the Sidebar. EZBuyButton is a "buy now
The Author Showcase plugin allows authors to display their books, with buy links, on their website in a nicely formatted style.