With puzzles involving coins, postage stamps, and other commonplace items, this book challenges readers to account for perplexing mathematical phenomena. Although sufficiently complex to capture the essential features of mathematical discovery, the elementary methods and solutions permit focus on the way the material is explored. Complete solutions. Reprint of the Oxford University Press, Oxford, 1987 edition.
Understanding Infinity: The Mathematics of Infinite Processes by A. Gardiner An introduction to "why the calculus works," this volume offers a 4-part treatment, from an overview and detailed examination of the infinite processes to the evolution of the concept of functions. 1982 edition.
Mathematics and Logic by Mark Kac, Stanislaw M. Ulam Fascinating study of the origin and nature of mathematical thought, including relation of mathematics and science, 20th-century developments, impact of computers, more. Includes 34 illustrations. 1968 edition.