Caldecott winner Beth Krommes and Newbery Honor-winning poet Joyce Sidman team up in this singular celebration of a beautiful, fascinating shape in nature. A nonfiction picture book companion to their acclaimed Swirl by Swirl. Branches are all around us: in butterfly wings, on gecko toes, in flowers, frost, and mud. Whether as electricity moving across the sky or rivers flowing to the sea, branches are nature's most efficient...