This book unravels the mystery of geometry in origami with a unique approach. Sixty-four polyhedra designs are each made from a single square sheet of paper (using no cuts or glue), with each polyhedron the largest possible from the starting size of square and each having an ingenious locking mechanism to hold its shape. The author covers cubes, tetrahedrons, octahedrons, icosahedrons, dodecahedron, dipyramids, and dimpled dipyramids and includes ample variations of different color patterns and sunken sides.