The Girl Who Leapt Through Time is a science fiction novel by Yasutaka Tsutsui. It tells the story of a high-school girl who accidentally acquires the ability to time travel. Originally serialised in seven installments in two of Gakken's secondary school student-aimed magazines, beginning in Chugaku Sannen Course in November 1965 and ending in Taka Ichi Course in May 1966, and first published as a book in 1967 by Kadokawa Shoten, it has gone on to become one of Tsutsui's most popular works and has been reinterpreted in other media many times, the most famous internationally being a 1983 live action film directed by Nobuhiko Obayashi and a 2006 traditional animation film directed by Mamoru Hosoda. The original novel was first published in English translation by the British publisher Alma Books on May 26, 2011, in a translation by David James Karashima.