Ivan Moscovich is an internationally known and acclaimed inventor, puzzler, and artist. He has designed award-winning toys for Mattel, Kenner, Childcraft, Ravensburger, Binary Arts, and other companies, and is the author of the MindGames series and other books. Mr. Moscovich lives in the Netherlands. A graduate of Columbia University's Graduate School of Journalism, Ian Stewart has reported from more than 40 countries. At the age of twenty-seven, he was appointed bureau chief of UPI's South Asia bureau. He later joined the Associated Press and was named bureau chief of its West Africa bureau in 1998. He lives in Berkeley, California.
"An opus...Mixing math with wonder."--Washington Post Book World