The World Book Encyclopedia 1983 Complete 22 Volume Set,The World Book Encyclopedia 2023 - Hardcover 22 Volume Set - Over 17,000 Articles,World Book Encyclopedia 2018, 22 Volume Set: World Book, Paul Kobasa: 9780716601180: Amazon.com: Books,The World Book Encyclopedia 1990 (Complete 22 Volume Set),World Book Encyclopedia, Volumes 1 to 22: World Book, Inc.: 9780716600909: Amazon.com: Books