A great new book by one of the masters of Recreational Mathematics and Puzzles. The hinged Square & other Puzzles will give hours of fun to puzzlers of all abilities and interests.
Just to get warmed up, Ivan shows us how to construct triangles, squares, pentagons, pentagrams, hexagons, heptagons, hexagrams, octagons, heptagons, octagrams and nonagons ,all with only a compass and a straight edge.
Then he reminds us of something we’ve known since childhood; that no two snowflakes are alike. He shows 5 designs and tells us about Bentley (1865-1931), who was the first to photograph one in 1885,and went [Read More...]
Category: All Puzzles, Puzzle Books