The United Nations (History): The Organisation at the Heart of International Diplomacy

Level Zero Heroes: The Story of U.S. Marine Special Operations in Bala Murghab, Afghanistan

Darwin's Theory of Evolution (History): The Origin of Species

Seal Team Six: The incredible story of an elite sniper - and the special operations unit that killed Osama Bin Laden

Henry Ford (History): Mass Production and the Model T

The Reaper: Autobiography of One of the Deadliest Special Ops Snipers

The Industrial Revolution (History): The Birth of the Modern World

The Operator: Firing the Shots that Killed Osama bin Laden and My Years as a SEAL Team Warrior

Saint Thomas Aquinas (History): Reason as the Servant of Faith

Sea Stories: My Life in Special Operations

Margaret Thatcher (History): The Iron Lady

Dagger 22: U.S. Marine Corps Special Operations in Bala Murghab, Afghanistan

Hiroshima (History): The World's First Atomic Bomb

Into the Fire: A Firsthand Account of the Most Extraordinary Battle in the Afghan War

Martin Luther King (History): The Civil Rights Movement and the Fight against Segregation

New Cold Wars: China's Rise, Russia's Invasion, and America's Struggle to Defend the West

Princess Diana (History): The Tragic Fate of the Nation's Sweetheart

Roberts Ridge: A True Story of Courage and Sacrifice on Takur Ghar Mountain, Afghanistan

The Chernobyl Disaster (History): The Nuclear Catastrophe and its Devastating Effects

Company Commander