Known printings of this edition:
17th printing: Circa 1976. 1.25 USD cover price. Fawcett Publications, Inc. listed on copyright page, Fawcett World Library listed on back page. Ad for B.C. books for sale on copyright page (Numbers M3349, M3352, 1-3625-6, M3333, M3360, and M3319).
Unknown printing: August 1981. 1.75 USD cover price. Fawcett Gold Medal Books (a Unit of CBS Publications, the Consumer Publishing Division of CBS Inc.) on copyright page.
There might be 1.25 USD and 1.50 USD cover price printings under CBS Publications instead of Fawcett.