TY  - BOOK
AU  - Moscovich Ivan
AU  - Moscovich Ivan
TI  - Fiendishly difficult visual perception puzzles
SN  - 0806982683 
AV  - GV1493 
U1  - 793.73 
PY  - 1991///
CY  - New York
PB  - Sterling Pub. Co.
KW  - Puzzles
N1  - Reprint. First published as part of: Mind benders. New York : Vintage Books, c1986; Includes index
ER  -