The ultimate marriage of jigsaw puzzles and origami!In Einstein Origami Puzzles, origami master Sy Chen shows you how to fold ingenious hat-shaped "Einstein" paper tiles that can be fitted together endlessly without ever repeating the same pattern. He provides clear, easy-to-follow instructions and photos for 30 fascinating paper puzzles and brain-teasers that you can create using inexpensive folded paper polygons.First, you''ll learn to fold the "Einstein" polygon from a single sheet of paper. This shape stumped mathematicians for many decades, but a clever hat-shaped version was finally discovered in 2023. The author subsequently developed a folded paper version of this amazing shape, along with many variations (including one folded from a dollar bill!)all of which are presented in this groundbreaking book!In addition to his 10 innovative "Einstein" tiles, Chen provides instructions for folded paper shapes that can used in entertaining geometric puzzles and games, like:Polyominoes: Tetris-like folded paper pieces that can be fitted together in a variety of waysTangrams: Seven origami shapes that form deceptively simple but challenging tangram puzzles"Rep-Tiles:" Geometric shapes formed of smaller pieces having the same shapelike a large triangle composed of four smaller onesAnd many more including a unique origami Jigsaw PuzzleThis is the perfect book for anyone who enjoys brain teasers, mathematical challenges and jigsaw puzzles!