DOC SAVAGE #5: The Spook Legion / The Submarine Mystery
By Lester Dent.
Two more great pulp adventures starring America's first superhero. In "The Spook Legion" (1935), the Man of Bronze and his aide Monk battle invisible supercrooks led by a criminal mastermind whose scientific brilliance may surpass Doc's. In 1938's "The Submarine Mystery," Doc Savage investigates modern-day piracy when a Navy sub is destroyed in Boston Harbor. Two complete novels by Dent writing as Kenneth Robeson. Includes original pulp covers by Walter Baumhoffer and Emery Clarke, interior illustrations by Paul Orban, and historical commentary by Will Murray.