Lois Ehlert uses watercolour collage and pieces of actual seeds, fabric, wire, and roots in this innovative and rich introduction to the life of a tree. A special glossary explains how roots absorb nutrients, what photosynthesis is, how sap circulates, and other facts about trees. AGES: 4 to 7 AUTHOR: Lois Ehlert has created many picture books, including Chicka Chicka Boom Boom, Leaf Man, Pie in the Sky, In My World, Growing Vegetable Soup, Planting a Rainbow, Waiting for Wings, and Color Zoo, which won a Caldecott Honor. She lives in Milwaukee, Wisconsin.