13 Treasures is a young adult fantasy novel written by Michelle Harrison. It is the first book in the 13 Treasures trilogy. Tanya, a young girl sent to live with her estranged grandmother, embarks on a quest to locate the 13 treasures of the fairy kingdom, which have been scattered around the human world and are guarded by dark forces.
The "13" in the book's title is from Isabella by Hermann Ihlenburg, and the text "TREASURES" is Trajan Regular created by Carol Twombly. The author's name is also written in Isabella font at the bottom of the cover.