“More Games, Puzzles, Paradoxes, & Other Mathematical Entertainments From Scientific American ; With Thoughts From Readers, Afterthoughts From the Author, and 105 Drawings & Diagrams”
“More Games, Puzzles, Paradoxes, & Other Mathematical Entertainments From Scientific American ; With Thoughts From Readers, Afterthoughts From the Author, and 105 Drawings & Diagrams”