INTRODUCTION

This wonderful novella (a term not yet coined at the time it first appeared) originally appeared in Weird Tales, in two parts in the August and September issues of 1936.

This novella was so popular at the time, that it was reprinted (an unheard of occurrence in 1936!) for the December 1936 double-issue of Weird Tales.

Described at the time as "An amazing weird mystery story, packed with thrills, danger and startling events", in many ways The Door into Infinity still holds up today as an exciting adventure…