Deep Prose Software today announced the release of Booxter 1.8 for Mac OS X, an easy-to-use application that helps you manage your book collection. It gathers book information from various sources on the Internet to allow users to view, edit, sort, categorize, export and print books of interest. Version 1.8.8 adds Submarino and the National Diet Library as search sites, and improves searches at Bibliothèque Nationale de France,,, British Library, Chapters, Dymocks,, Internet Bookshop Italia, Koninklijke Bibliotheek, National Library of Denmark, and the National Library of Norway. Other bug fixes and interface improvements have been made as well. Booxter is priced at US$19.99.