This 20-volume set of Collier's Encyclopedia, published by P F Collier & Son in 1961, is a valuable addition to any reference book collection.
The hardcover books are black, red, and gold, making them not just a source of knowledge but also a great decoration for your library.
Mostly black and white illustrations and text with some color sections and a few acetate overlays, one depicting the anatomy of a frog.
These are in good condition. There is some buckling on the spine, but gold gilt is in excellent condition.
Interior pages are clean and securely bound.
These are heavy and will ship in 2 to 3 boxes.