“A gripping, timely story… blends warrior ethos with geopolitical reality.”
— Lt. Col. James Reese, US Army (Ret.), Delta Force Operator

Welcome to my website

Welcome to the official author website of James P. Cain—international diplomat, business leader, and bestselling novelist.

With a career that spans law, politics, global business, sports leadership, and international diplomacy, Ambassador Cain now turns his extraordinary real-world experiences into gripping works of historical and diplomatic fiction.

Reign of Secrets

Diplomatic Thriller Novel

A murdered prince.
An ancient pact forged in 1027 AD.
A Russian President determined to reclaim an empire.

When tragedy strikes the Danish royal family in the Florida Keys, American attaché Colonel Whit Ransom and Irish attaché Aisling Kelly are thrust into a deadly chase through Europe—where espionage, Viking-era secrets, and modern geopolitical ambitions collide.

“A compelling tale of modern threats and ancient motives.” — Christopher Urben, DEA Special Operations Division (Ret.)