Worlds of Science

Publisher: Pyramid Publications

Years: 1962-

Related Series:

Pyramid Starts Paperback "Worlds of Science" Series, PW, Mar. 5, 1962, at 37 (announcing the Worlds of Science series, listing the first 6 titles, and including a promotional photograph with the wrappers of the first 6 titles as well as a brochure on the series for dealers).