Toby’s world is under greater threat than ever before. A giant crater has been dug right into the center of the Tree, moss and lichen have invaded the branches, and one tyrant controls it all. Leo Blue, once Toby’s best friend, is...

"This charming read features characteristically snappy, humorous prose; expressive, witty black-and-white illustrations; and some great ideas for classroom or home projects." — ;Booklist "Judy's growing corps of fa...