TY  - BOOK
AU  - Muir,Duncan
TI  - Optical illusions
SN  - 1858339693
U1  - 152.148 MUI 23
PY  - 1998///
CY  - London
PB  - Zigzag Publishing
KW  - Optical illussion
KW  - juvenile literature
N1  - Includes index
ER  -