By Gail Gibbons, Author & Illustrator. This book about nature and the changing seasons focuses on a young boy and a very special apple tree. Gail Gibbons, creator of beloved STEM picture books, presents an apple tree's changes through all four seasons, as witnessed by the child who loves it. In bright illustrations and simple text, Arnold collects apple blossoms in spring, builds a treehouse in summer, makes apple pie and cider in the fall, and hangs strings of popcorn and berries for the birds in winter, among other seasonal activities. Includes a recipe for apple pie and a description of how an apple cider press works. For ages 4 and up.