Due to shipping constraints, this is a split listing of all 21 volumes. Animal Life "Encyclopedia of the Animal World" Volumes 1-10 Published in 1972 by Nihon Mail Order Co. Slight yellowing is visible on the covers and edges due to age. Volumes 1, 7, 9, and 10 have pages with noticeable stains. Volumes 11-20 + Index (total of 11 volumes) are also listed, so please check them out. - Title: Encyclopedia of the Animal World - Number of Volumes: 20 total - Cover Design: Design featuring photographs of animals - Condition: Slight damage to the spines Thank you for looking.