"The Fionavar Tapestry" is a fantasy trilogy written by Guy Gavriel Kay. It consists of three novels: The Summer Tree, The Wandering Fire, and To Hold the Bridge. The story follows five university students from Toronto who are transported to the magical world of Fionavar, where they become embroiled in an epic battle between good and evil. Set in a richly detailed universe, the series explores themes of destiny, sacrifice, and the interconnectedness of all beings. The characters encounter various mythical creatures and powerful forces, drawing inspiration from Arthurian legends and other mythologies, making it a unique blend of adventure and philosophical reflection.