Sign in to your account or register new one to have full control over your orders, receive bonuses and more.
New customer? Register
Subtotal: 0.00
Total Items In Cart:
This book convenes a selection of 200 mathematical puzzles with original solutions, all celebrating the inquisitive and inspiring spirit of Nobuyuki "Nob" Yoshigahara - a legend in the worldwide community of mathematical and mechanical puzzles.