Puzzle creator DR. GARETH MOORE is the author of more than 35 best-selling international puzzle and brain-training titles from a wide range of publishers. He is the creator of "Brained Up" (www.BrainedUp.com), a cutting-edge brain-training site, offering scientifically designed daily sessions. 
STEPHANIE WARREN DRIMMER writes about biology, technology, and outer space. Her work has appeared in 
Popular Science, 
Popular Mechanics, 
National Geographic Kids magazine, and Scholastic's 
SuperScience and 
Science World magazines. Drimmer is a graduate of New York University's Science, Health and Environmental Reporting program. She is an expert at imparting scientific information at a level that is both fun and understandable and is the author of multiple National Geographic Kids books including 
Mastermind, 
Brain Bogglers, and 
Brain Games: Big Book of Boredom Busters.