Search for: Title Author Subject Series that begins with: 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings > Browse Headings # Tri-Town Murders. 2 Triad of being 3 Triad of being ; 3 1 Triad of being ; bk. 1 1 Triad of being ; bk. 2 1 Trials of Apollo 15 SEE: Riordan, Rick. Trials of Apollo 10 Trials of Apollo ; 1 1 Trials of Apollo ; book 5 1 Trials of Apollo ; book one 1 Triathlete. 1 10 20 30 50 100 per page < Previous 10 Headings Next 10 Headings >