Taffy Trouble, 16

Helen Perelman has worked in a children's bookstore and was a children's book editor. She now writes full-time in New York, where she lives with her husband and two daughters. Visit her online at HelenPerelman. com. < p/> Erica-Jane Waters is the author and illustrator of many books for children. She graduated from Hereford College of Art & Design in the UK. She creates art for magazines and greeting cards and also designs toys. Erica lives with her husband in in Northamptonshire, UK.