He was trusted, admired—and feeding secrets to the enemy for decades.

Kim Philby was more than just a traitor. He was a master manipulator, a charming double agent, and the most damaging mole in Western intelligence history. As a top officer in Britain’s MI6, Philby had access to the deepest secrets of the Cold War—and he handed them to the Soviet Union, undermining operations, destroying lives, and shaking the foundations of the West’s spy networks.

In Kim Philby: The British Mole Who Betrayed the West, David G. Stone traces the unbelievable true story of the man who fooled everyone—except the KGB. From elite Cambridge classrooms to smoke-filled MI6 offices and the shadows of Moscow, this book unravels the story of a man who embodied both brilliance and treason.