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The international best-seller that makes mathematics a thrilling exploration In twelve dreams, Robert, a boy who hates math, meets a Number Devil, who leads him

2011 Retailers Choice Award winner! Rebecca never felt safe as a child. In 1969, her father, Robert Nichols, moved to Sellerstown, North Carolina, to serve as a

In 12 dreams, Robert, a boy who hates math, encounters a sly, clever number devil who introduces him to the wonders of numbers: infinite numbers, prime numbers,

"A triumphantly moving book." —Kirkus Reviews, starred review Hannah dreads going to her family's Passover Seder—she's tired of hearing her relatives talk a

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