When the pulp magazine Weird Tales appeared on newsstands in 1923, it proved to be a pivotal moment in the evolution of speculative fiction. Living up to its nickname, "The Unique Magazine," Weird Tales provided the first real venue for authors writing in the nascent genres of fantasy, horror, and science fiction. Weird fiction pioneers such as H. P. Lovecraft, Robert E. Howard, Clark Ashton Smith, Robert Bloch, Catherine L. Moore, and many others honed their craft in the pages of Weird Tales in the 1920s and 1930s, and their work had a tremendous influence on later generations of genre...