STEPHEN MANES is the author of more than thirty books for children and young adults. His Be a Perfect Person in Just Three Days! won kid-voted awards in five states and is a curriculum staple in American and French schools. The sequel, Make Four Million Dollars by Next Thursday!, quickly became a Publishers Weekly bestseller. His books have been adapted for stage and television productions. Manes has had a long career making arcane worlds accessible to the uninitiated. His most recent book is the highly acclaimed Where Snowflakes Dance and Swear: Inside the Land of Ballet. He was one of the creators and co-hosts of the weekly public television series "Digital Duo." He co-wrote the bestselling and much-praised biography Gates: How Microsoft's Mogul Reinvented an Industry--and Made Himself the Richest Man in America. He wrote long-running columns on personal technology for The New York Times, Forbes, PC World, PC Magazine, and many other publications. Manes has a degree in cinema from the University of Southern California. His writing credits for the screen include programs for ABC Television and KCET/Los Angeles, as well as the seventies classic movie Mother, Jugs & Speed. A native of Pittsburgh, he lives in Seattle.
Paul Andrews is Professor of Mathematics Education at the University of Stockholm, Sweden. He is a co-editor of the Cambridge Journal of Education.