Alistair's time machine
By: by Marilyn Sadler ; illustrated by Roger Bollen.
Contributors: Bollen, Roger, ill.
Publisher: Simon & Schuster
Published: 1986
Place of publication: New York
Language: eng
Subjects: Science fiction; Space and time -- Fiction
Genres: Fiction.
Description: Alistair's entry in a science competition takes him to many places and time periods, but unfortunately he can't prove this to the judges.