The green futures of Tycho
By: William Sleator.
Publisher: Puffin Books
Published: 1991
Place of publication: New York, N.Y., U.S.A
Language: eng
Number of pages: 133
Subjects: Science fiction; Time travel -- Fiction
Description: When he finds an ancient, egg-shaped object with which he travels back and forth in time, eleven-year-old Tycho grapples with several terrible futures he sees for himself and his family.