The White House Doctor: My Patients Were Presidents: A Memoir

Standing Next to History: An Agent's Life Inside the Secret Service

Air Force One: An Honor, Privilege, and Pleasure to Serve

Within Arm's Length: A Secret Service Agent's Definitive Inside Account of Protecting the President

Under This Roof: The White House and the Presidency--21 Presidents, 21 Rooms, 21 Inside Stories

The First Family Detail: Secret Service Agents Reveal the Hidden Lives of the Presidents

Inside Camp David: The Private World of the Presidential Retreat

Inside Marine One: Four U.S. Presidents, One Proud Marine, and the World’s Most Amazing Helicopter

My 21 Years in the White House