TY  - BOOK
AU  - Simon,Seymour
AU  - Ftera,Constance
TI  - The optical illusion book
SN  - 0329086693
AV  - QP495 .S57 1984
U1  - 152.1/48 
PY  - 1984///
CY  - New York
PB  - Morrow
KW  - Optical illusions
KW  - Juvenile literature
KW  - sears
N1  - Includes index; Elem. School Library Collection; Wilson's Children; Wilson's Junior High School; 6.3; Follett Library Book Co; 6.3; Follett Library Resources; 5-8; 5-8; Follett Library Resources
N2  - A discussion of optical illusions with explanations of why we see them and suggestions for creating illusions of our own
ER  -