Calling earth
By: by Charles Land ; [illustrated by Darryle Purcell].
Contributors: Purcell, Darryle.
Publisher: Creative Education; Creative Co (Sd)
Published: 1978
Place of publication: Mankato, Minn
Language: eng
Number of pages: 56
Subjects: Science fiction.
Description: Two teenagers are asked to meet the sender of an intergalactic radio message inside the Great Caverns in exactly eight hours.