"Selections from the magazines, popular for over half a century, in which appeared stories--fantasy, horror, adventure--that were the predecessors to today's SF."
21 stories each prefaced with what was happening in the pulp industry at the time of its publication. It's basically a combination history of the pulps and treasure trove of stories.
From the library of noted ERB collectors Roy and Dela White who were very active in ERB fandom. Laid in is the illustrated bookplate of Roy and Dela White.