Book excerpt: The perfect Hanukkah gift for babies and toddlers, complete with big, brainy science for the littlest listeners. Baby discovers the science behind spinning a dreidel on Hanukkah! Accurate enough to satisfy an expert, yet simple enough for baby, this clever board book explores angular momentum, torque, friction, and gravity. Beautiful, visually stimulating illustrations complement age-appropriate language to encourage baby's sense of wonder. Parents and caregivers may learn a thing or two as well.