That same eBay seller keeps having some interesting signed PBOs going cheap, including this one:
Tenn, William. The Square Root of Man. Ballantine Books, 1968. First edition paperback original (“First Printing: June, 1968”), a Very Good copy with spine creasing and lean, crease along front spine join, edgewear, and a bookstore stamp to teaser page, signed by Tenn. Currey, page 278. Bought for the opening bid of $10.
Tags: Books, eBay, PBO, Science Fiction, William Tenn