The New Golden Encyclopedia - Bennett, Watson, & DeWitt
The front page of every volume describes the books as, "Fact-filled Volumes Dramatically Illustrated with More Than 6,000 Pictures. The Only Encyclopedia for Young Grade-school children. Accurate and Authoritative. Entertainingly written and illustrated to make learning an adventure." Subjects covered in the series included nature, science, history, geography, literature, and the arts.
Cover is worn