Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # X-books. Fighters 6 X-books. Ice Age creatures. 6 X-Books. Marine mammals 1 X-books: mythical creatures 1 X-books. Predators 6 X-books. Strange. 2 X-books. Weather 5 X-files origins 2 X-files (TV series) 1 X-Force 2 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >