TY  - BOOK
AU  - Muir, Duncan.
TI  - Optical illusions
SN  - 1842399330
U1  - SHS CIR 152.148 M890 2006 
PY  - 2006///
CY  - London
PB  - Alligator Books
KW  - Optical illusions
KW  - Juvenile literature
N1  - Includes index
ER  -