Book of curious and interesting puzzles
Wells, David
Book of curious and interesting puzzles - Mineola, NY: Dover Publications, 2006 - 382 p
9780486443416
Mathematical recreations
793.74 WEL
Book of curious and interesting puzzles - Mineola, NY: Dover Publications, 2006 - 382 p
9780486443416
Mathematical recreations
793.74 WEL