Opt
Subtitle: an illusionary tale
By: by Eleanor B. Heady ; illustrated by Gail Owens.
Contributors: Owens, Gail.
Series: Greenwillow Read-Alone
Publisher: Greenwillow Books
Published: 1978
Place of publication: New York
Language: eng
Number of pages: 64
Copyright date: First published by Parents Magazine Press C 1978
Subjects: Trees -- Juvenile literature.; Forests and forestry -- Juvenile literature.; Forest ecology -- Juvenile literature.; Trees.
Description: A magical tale of optical illusions, in which objects seem to shift color and size while images appear and disappear.
Notes: Includes index.