Bøker av Andy Liu

This book contains the complete list of problems and solutions to the International Mathematics Tournament of the Towns from Fall 2007 to Spring 2021. The primary audience for this book is the army of recreational mathematicians. It should also have great value to students preparing for mathematics competitions and trainers of such students.

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.

This unique book presents mathematical competition problems primarily aimed at upper elementary school students, but are challenging for students at any age.

This book describes projects in a Mathematical "Circle," i.e., an organization that discovers and nurtures young mathematical talents through meaningful extra-curricular activities. Volume I describes how to run a Circle, and Volume III explains what actually takes place in the Circle.