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.
Various BookCrossing related utilities, including other ways to trade books.
Search for groups of local BookCrossers who gather to meet monthly.
Wish list that BookCrossers can use to track the books they want. From cliff1976.
An online journal to record readings, mainly of books received from Bookcrossing.com. Contains reading lists, reviews, news.
My BookCrossing labels
BookCrossing labels from Myranya, available in English and Dutch.
Nyisutter's BookCrossing Pages
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.
RinaldiWeb's European BookCrossing Support
Offers templates for labels, flyers, cards, and stamps. [Dutch, English, French, German, Italian, Portuguese, Spanish]
TexasWren's BookCrossing Hints
Extensive FAQ, forum, list of BookCrossers' birthdays, special day calendar for themed release ideas, and a list of favorite books.
The Wheelbarrow Project
Weblog about a project to leave a wheelbarrow full of books in conspicuous places.
Yahoo! Groups: BookCrossing Australia
Resources and discussion for Australian bookcrossers.
Yahoo! Groups: BookCrossing Reading Group
Mailing list for reading and discussion group of BookCrossers.
Yahoo! Groups: BookCrossing UK
Mailing list for BookCrossers in the United Kingdom.
Yahoo! Groups: Bookcrossing Ireland
Mailing list for BookCrossers in Ireland.
Yahoo! Groups: Malaysian BookCrossers
Mailing list for BookCrossers in Malaysia.