2nd Scientific American Book Mathematical Puzzles Diversions Martin Gardner 1961

Mathematical Models Book - CUNDY AND ROLLETT Second Edition 1961 (30c)

Mathematical Puzzles And Diversions (Pelican S.) by Gardner, Martin 1966 PB

CRC Standard Mathematical Tables 12th Edition 1961 Vintage Hardcover Book

The Moscow Puzzles 359 Mathematical Recreations First Edition Hardcover 1972

Calibans Problem Book Mathmatical, Interential and Cryptographic Puzzles

Mathematical Models 2nd edition by Cundy, Henry Martyn (1961) Hardcover

Mathematical Puzzles and Diversions Martin Gardner and 2 others