Flip! How the Frisbee Took FlightBy: Margaret Muirhead Illustrator: Adam Gustavson This charming picture book biography about the inventor of the Frisbee follows the twists and turns of innovation and highlights the persistence it takes to succeed. Fred Morrison is credited with inventing this classic toy, but for centuries folks have been flipping for flying discs. Ancient Greeks flicked discs, and beginning in the 1920s, college kids at Yale University were tossing pie tins. Fred's