The Shrinking of Treehorn by Florence Parry Heide buy used Used & Rare price $9.36 new from$12.30 shop with confidence SPECIAL SHIPPING CONSIDERATIONS FOR USED & RARE ITEMS. Please see the special considerations for shipping Used & Rare items, including extended delivery times, possible import duties & taxes. Delivered in 3-5 weeks Format: Paperback Publisher: Holiday House Condition: The following ISBNs are associated with this title: ISBN - 10:0823409759 ISBN - 13:9780823409754 Seller Comments: Ex-library copy. May have stickers and stamps associated with library discards. From the Publisher Poor Treehorn''s problem is politely ignored by his parents and barely tolerated by his teachers. An ALA Notable Book.