Complete set of four 8.25x10.5” books published by Greenleaf Classics , Inc. ©1971. Vols. 1-4, each written by Donald H. Gilmore, Ph.D. Set contains brief but yet most extensive history of 8-pagers we know of along with reproduced complete pages from roughly 100 different books featuring characters, personalities, movie stars and generic characters. Covers have some tanning and dust soiling. Vol. #3 has 1x3.5” paper tape residue on front cover. Pages are tanned with age but not brittle. Two small .25” dia. rub spots on right side page edges of Vol. 2. Books show some age but retain solid bindings. Hard to acquire as a full set. Fine overall.