Cambridge: CUP, 2009. - 298p.
The Binary System.
Group Theory and Braids.
Eight Problems.
The Games and Puzzles of Lewis Carroll.
Paper Cutting.
Board Games.
Packing Spheres.
The Transcendental Number π.
Victor Eigen:Mathemagician.
The Four-ColorMap Theorem.
Mr. Apollinax Visits New York.
Nine Problems.
Polyominoes and Fault-Free Rectangles.
Euler’s Spoilers: The Discovery of an Order.
Graeco-Latin Square.
The Ellipse.
The Color Squares and the Color Cubes.
H. S. M. Coxeter.
Bridg-it and Other Games.
NineMore Problems.
The Calculus of Finite Differences.