By H. M.Cundy, A.P. Rollett
Hardback / Second edition 1960 (reprinted 76)
Instructions for making (non origami) models to illustrate such elementary mathematics as plane and solid geometry and logic. Extensive text and explanations – incredibly useful information for anyone studying the geometric origami.
Plastic cover, spine faded. library stamps on inside pages, otherwise in good condition, complete with pullout guide of polyhedral data and duals.