GARDNER, MARTIN. - More Mathematical Puzzles and Diversions.

Harmondsworth: Penguin. 1980. "From Diophantine brain-teasers to diabolic squares, these arithmetical, geometrical, logical, topological, mechanical, and probability problems are designed to beguile the weary leisure-hours and sharpen blunted wits". Pp 186, some b/w illustrations, slight toning to pages. P/b, slight creasing and scuffing to spine, illustrated cover. G+.

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