The fifth coloring book by The New York Times bestselling author Millie Marotta! More than 8-1/2 million books sold worldwide! To entice colorists, the wildly popular author of Animal Kingdom and Tropical World has created an enchanting collection of images of our fine feathered friends and other extraordinary animals who dwell in the treetops. Millie Marotta's engaging, intricately designed illustrations feature beautiful hummingbirds, Major Mitchell's cockatoos, lyrebirds, cardinals, marvelous spatuletails, pygmy owls, and laughing kookaburras. Fans will rush to grab their crayons, colored pencils, pens, and brushes.