TY  - BOOK
AU  - Phillips, Hubert
AU  - Marshall, G. Struan
TI  - CALIBAN'S PROBLEM BOOK
U1  - 793.74 
PY  - 1961///
CY  - N. Y.
PB  - Dover Pub.
KW  - Mathematical Recreations
KW  - Puzzles
ER  -