"Jimgrim and a Secret Society" originally appeared in the classic pulp magazine Adventure, in the August 10, 1922 issue. It is part of Mundy's series featuring James Schuyler Grimm, better known as Jimgrim, a British agent. In this volume, he resigns from the British military service to take a job (along with his friends Jeff Ramsden, Narayan Singh, and Jeremy Ross) as a freelance agent combatting criminals who threaten world peace.