Ray Palmer. Hidden World (A-5, Spring 1962). Amherst, WI: The Hidden World, 1961.
(240 x 170 mm) pp. 766-956 (continued from earlier issue). Back cover has small bit of top corner torn away, otherwise both front and back coveres in very good condition. Staining from p. 780 to 805. Pages uniformly agetoned. Covers in red, green, and copper. Overall GOOD condition.
One of the four issues dealing with the Shaver Mystery (published without Shaver's consent.