Emile C. Tepperman had quite an accomplished pulp writing career, but arguably his most remembered work has been the Purple Invasion Series for Operator 5. All told, Emile Tepperman penned issues number twenty-one through thirty-nine, including the thirteen Purple Invasion stories. Mr. Tepperman had quite a number of other pulp successes as well. His character Ed Race appeared regularly in the Spider Magazine. In fact, Mr. Tepperman penned eleven Spider novels, mostly during 1937. Plus, his Secret Agent X stories acted as a pre-cursor to his Operator 5 work. Mr. Tepperman also had a successful series in Ace G-Man featuring the Suicide Squad which might rival is Operator 5 fame.
RAIDERS OF THE RED DEATH
WAR MASTERS FROM THE ORIENT