Using proven techniques, this volume shows how to add, subtract, multiply and divide faster than is possible with a calculator or pencil and paper, and helps re

Mild-mannered suburban mom Riva Konneva is more than she seems. Riva, a warrior woman from an alternate reality, has come to the planet of the pen-pushers to gi

Number tricks for children which includes Digital wizardry, mind games calculator magic and more!

A collection of stories follows the conquests of a band of warrior women, and includes the writings of Esther Friesner, Elizabeth Moon, Jody Lynn Nye, Harry Tur

'This delightful book connects mathematical concepts in a dozen areas to magic tricks. Expositions of the mathematics precede description and analysis of the tr