Band of Brothers, subtitled, E Company, 506th Regiment, 101st Airborne: From Normandy to Hitler's Eagle's Nest, by Stephen E. Ambrose, is an examination of a parachute infantry company in the 101st Airborne Division in the European Theater during World War II.

The book was later adapted into a 2001 miniseries for HBO by Tom Hanks, Erik Jendreson, and Steven Spielberg, also titled Band of Brothers.

The book rests upon interviews Ambrose conducted with former members of E Company, 2nd Battalion, 506th Parachute Infantry Regiment of the 101st Airborne Division.

Ambrose wrote of the finished product, "We have come as close to the true story of Easy Company as possible.

After the table of contents, the book's dedication reads:[1]: iii To all those members of the Parachute InfantryUnited States Army, 1941-1945who wear the Purple Heart not as a decorationbut as a badge of office.The epigraph is a quotation from Shakespeare's Henry V, from which the title of the book is derived:[1]: iv From this day to the ending of the World,...we in it shall be remembered ...we few, we happy few,...we band of brothers.The chapters are: