The Pirate Planet (original magazine text) in Bloomington, MN

Part One: A strange light blinks on Venus, and over old Earth hovers a mysterious visitant—dread harbinger of Interplanetary War.
Part Two: It is war. Interplanetary War. And on far-distant Venus two fighting Earthlings stand up against a whole planet run amuck.
Part Three: Two fighting Yankees—war-torn Earth’s sole representatives on Venus—set out to spike the greatest gun of all time.
Part Four: From Earth and Sub-Venus converge a titanic offensive of Justice on the unspeakable Man-Things of Torg.
This book originally appeared as a 3-part serial in Astounding Stories of Super-Science in November and December 1930, and January and February 1931.