The Magic Numbers of Dr. Matrix draws us into the intriguing and fascinating world of numbers and number theory. "Numbers, you know, have a mysterious life of their own. It would be naive," claims Dr.
This collection of puzzles, games and activities is designed to stimulate and challenge people of all ages who enjoy puzzles with a mathematical flavour. Many of the puzzles have a long history, whil
This full-color replica of an early American seaport ? inspired by the famous Mystic, Connecticut restoration ? features 11 buildings, including a lighthouse, tavern, chandlery, and fish shack. Comple
Authentic full-color replica of Caernarvon Castle built in Wales (ca. 1285?1322) comes with complete instructions for cutting, folding, and assembling parts. Includes historical text.
Challenging mazes accompanied by tales of adventure. Evil dragons, people-eating plants, bloodthirsty giants, many more adversaries at every twist and turn. Solutions.
Clear instructions for 101 tricks and problems, many based on important math principles. Calculations have been concealed; tricks are carefully streamlined for quick understanding and flawless perform
160 math teasers and 40 alphametics will provide hours of mind-stretching entertainment. Accessible to high school students. Solutions. Four Appendices.
Over 50,000 clues, over 160,000 solutions—more clues, more solutions than any other book in America. Plus unique long-word finder—makes the tough spots easy to solve! Completely alphabetical, comprehe
Here is the most comprehensive and best-organized anthology of dance writings ever assembled. The sixty essays here have been selected not only because they represent the work of the finest dance writ
Outstanding collection of nearly 200 crowd-pleasing mental magic feats requiring no special equipment. Author offers insider's tips and expert advice on techniques, presentation, diversions, patter,
These 8 aerodynamically sound, ready-to-build paper airplanes are blazing with color and ready to soar. Includes easy instruction for folding a Baker F-399 and X-411, Phantom, Daedalus, Icarus, Songbi
Challenge yourself with over 100 fresh paradoxes, puzzles, riddles, conundrums, word and number games for the jaded, skeptical puzzlist. Over 100 pages of comprehensive answers. Approximately 300 illu
The most complete treatise on sleight-of-hand coin conjuring, including best traditional methods and modern innovations. Guides you systematically from basic techniques, through integrated tricks to c
