First published in 1967, this classic of Japanese young adult science fiction about a time-traveling girl has been the basis of many adaptions, including film and manga

One of Tsutsui’s best-known and most popular works in his native Japan, this is the story of 15-year-old schoolgirl Kazuko, who accidentally discovers that she can leap back and forth in time. In her quest to uncover the identity of the mysterious figure that she believes to be responsible for her paranormal abilities, she'll constantly have to push the boundaries of space and time, and challenge the notions of dream and reality.