Ruth Duskin Feldman is an award-winning writer and educator. With Diane E. Papalia and Sally Wendkos Olds, she coauthored the fourth and seventh editions of Human Development and the eighth edition of A Child's World. She also is coauthor, with Dr.Papalia and Cameron J. Camp, of Adult Development and Aging. A former teacher, she has developed educational materials for all levels from elementary school through college and has prepared ancillaries to accompany the Papalia-Olds books. She is author or coauthor of four books addressed to general readers, including Whatever Happened to the Quiz Kids? Perils and Profits of Growing Up Gifted. She has written for numerous newspapers and magazines and has lectured extensively and made national and local media appearances throughout the United States on education and gifted children. She received her bachelor's degree from Northwestern University, where she was graduated with highest distinction and was elected to Phi Beta Kappa.Papalia, Diane E. is the author of 'Child's World', published 2007 under ISBN 9780073531977 and ISBN 0073531979.