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.

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

Mathematical Time Capsules offers teachers historical modules for immediate use in the mathematics classroom. Relevant history-based activities for a wide range of undergraduate and secondary mathematics courses are included.

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