2015 REVERE Award Finalist, PreK-12 Learning Group, Association of American Publishers A 2015 Outstanding Science Trade Book for Students K-12 It's fun to toss maple seeds up in the air and watch them spin down to the ground like nature's own helicopters. This book prompts inquisitive kids to learn about these marvels of aerial engineering, including their real name (no, not whirlybird), the work they do for maple trees, and how to uncover the little...