Official site. Encourages readers to read, register, and release books for others to enjoy. Includes a way to track books released, add journal entries and reviews, and search for books in the wild.

BookCrossing labels from Myranya, available in English and Dutch.

Includes a list of official crossing zones, BookCrossing-related sites, book-related geocaches, and the BookCrosser's current book rays. Also includes templates for labels, flyers, and bookmarks.

Extensive FAQ, forum, list of BookCrossers' birthdays, special day calendar for themed release ideas, and a list of favorite books.

Weblog about a project to leave a wheelbarrow full of books in conspicuous places.