Science fiction: Adventure, Horror, Mystery Classics Best Seller's for 99 Cents In the Roar (adventure, fantasy, romantic, action, fiction, science fiction, amazing , western, thriller, crime novel)

Many of Mr. Treynor's titles hint at the fantastic, and being a science fiction fan, I thought I would give one of his stories a try. This one is basicly a detective story, but I think it is exactly the type of story that Gernsback would, in later years, publish in Scientific Detective.