Nothing Like It in the World: The Men Who Built the Transcontinental Railroad, 1863-1869

Crazy Horse and Custer: The Parallel Lives of Two American Warriors

Empire Express: Building the First Transcontinental Railroad

Undaunted Courage: Meriwether Lewis, Thomas Jefferson, and the Opening of the American West

Hell on Wheels: Wicked Towns Along the Union Pacific Railroad

Undaunted Courage: Meriwether Lewis, Thomas Jefferson, and the Opening of the American West

CITIZEN SOLDIERS : The U.S. Army from the Normandy Beaches to the Bulge to the Surrender of Germany -- June 7, 1944-May 7, 1945

The Wild Blue: The Men and Boys Who Flew the B-24s Over Germany

To America: Personal Reflections of an Historian

D-Day June 6, 1944: The Climactic Battle of World War II

Pegasus Bridge: June 6, 1944