Adolf Hitler is dead. Great Britain lies prostrate, subdued under a storm of poison gas and incendiaries that have turned the great city of London into a blazing abattoir.

For RAF Squadron Leader Adam Haynes, London’s destruction is the nightmare outcome of years spent fighting the specter of Fascism. Getting out of England one step ahead of the Nazis, Adam embarks on a continent-spanning odyssey that will put him at odds with his former employers, his family, and all three of the Axis powers.

Thrust unwillingly into combat between the fleeing Royal Navy and the pursuing Kriegsmarine, Lieutenant (j.g.) Eric Cobb makes a decision that changes the course of history.

In the Pacific, Rear Admiral Tamon Yamaguchi witnesses firsthand the myriad opportunities that Germany’s victory has provided for Japan. After suffering ignominious defeat at the hands of the Soviet Union in December 1941, the Emperor has forcibly removed the militarists that saw his nation almost driven from the continent. With the Navy now dominating the cabinet, Japan’s government cast its gaze southward to the oil rich Dutch East Indies. Yamaguchi, as the new head of the Kido Butai, must develop a plan that prevents American interference while simultaneously husbanding the Imperial Japanese Navy’s strength for a single, great Decisive Battle.

Combining the first two Usurper’s War novels into one omnibus, On Seas So Crimson provides over twenty-five hours of critically acclaimed alternate history. If you’re a fan of World War II and “What if..?” this audiobook is definitely for you.