Dragonfall 5 and the empty planet
By: Brian Earnshaw ; illustrated by Simon Stern.
Contributors: Stern, Simon, 1943-
Publisher: Lothrop, Lee & Shepard
Published: 1976
Place of publication: New York
Language: eng
Number of pages: 96
Subjects: Science fiction.
Description: When their classmates disappear from the circle of singing stones on the Empty Planet, Tim and Sanchez try to solve the mystery.