More Mathematical Puzzles of Sam Loyd (Dover Recreational Math)
by Martin Gardner
ISBN 13: 9780486207094
Format: Illustrated (208 pages) Publisher: Dover Publications Inc. Published: 01 Feb 2000
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Sam Loyd's Picture Puzzles (originally published in 1924) (Classic Reprint Series)
by Sam Loyd
ISBN 13: 9781894572095
Format: Paperback (114 pages) Publisher: Lee Valley / Algrove Publishing Published: 2000