"[Demonstrates] how to make games and puzzles an integral learning component that provides teachers with unique access to student thinking. The twenty-five games and puzzles in 'Well Played', which have all been field-tested in diverse classrooms, contain: explanations of the mathematical importance of each game or puzzle and how it supports student learning; variations for each game or puzzle to address a range of learning levels and styles; clear step-by-step directions; and classroom vignettes that model how best to introduce the featured game or puzzle.".