The power twins and the worm puzzle
Subtitle: a science fantasy for young people
By: illustrated by Lorraine Calaora.
Contributors: Calaora, Lorraine.
Series: A Grasshopper book
Publisher: Abelard-Schuman
Published: 1976
Place of publication: London
Language: eng
Number of pages: 96
Subjects: Children's stories.
Notes: ISBN 0-200-72440-1 Pbk :  0.55.