Discover the magic--and the science--behind fall leaves with this companion to the celebrated Raindrops Roll and Best in Snow. With gorgeous photo illustrations, award-winning author April Pulley Sayre explores the transformation trees undergo in fall. The book takes readers through the leaves' initial change from green to red, yellow, and orange, the shedding of the leaves, and the leaves crumbling as winter approaches. Extensive back matter explains the science behind this process to the youngest of budding scientists.