Reading, PA: Fantasy Press, 1950. First Edition. Sharp copy of this key Van Vogt title, collecting two novellas - Masters of Time and The Changeling - both of which originally appeared in the pages of Astounding Science Fiction. Item #4385
First Printing, Limited Issue, one of 500 numbered copies signed on an inserted limitation page, this being copy no.71. Octavo (19.5cm); red cloth, with tiltes stamped in gilt on spine; dustjacket; ,12-227,pp. Inscribed by the author on the limitation page to a noted science fiction collector: "S.F. Schultheis / All the best always / A.E. Van Vogt." Tiny spot to front cover, three tiny spots to rear cover, with two corners gently tapped (though still sharp); Near Fine in a Fine, unclipped dustjacket (priced $3.00).