Now you see it, now you don't
Subtitle: the amazing world of optical illusions
By: Seymour Simon ; drawings by Constance Ftera.
Contributors: Simon, Seymour.
Edition: Rev. ed.
Publisher: Morrow Junior Books
Published: 1998
Place of publication: New York
Language: eng
Number of pages: 64
Subjects: Optical illusions -- Juvenile literature
Other titles: Amazing world of optical illusions
Notes: Rev. ed. of: The optical illusion book, 1976.
Includes index.