This book collects the articles Gardner wrote for the MAA in the twenty-first century, together with other articles the MAA published from 1999 to 2012 that spring from and comment on his work.

A collection of problems from the William Lowell Putnam Competition which places them in the context of important mathematical themes.

Pick and read essays in no particular order and enjoy the mathematical stories that unfold.

Book developing a mathematical theory of rigidity, for undergraduates working in modelling or graph theory.