Band Of Brothers is the title of at least three works:

Band Of Brothers by Ernest K. Gann

Ernest K. Gann

Ernest Kellogg Gann was an American aviator, author, filmmaker, sailor, fisherman and conservationist.-Early life:...

 is a 1973 aviation adventure novel, loosely based on an actual airline crash (Feb. 16 1968) in Taiwan.

Band of Brothers, E Company, 506th Regiment, 101st Airborne: From Normandy to Hitler's Eagle's Nest by Stephen Ambrose

Stephen Ambrose

Stephen Edward Ambrose was an American historian and biographer of U.S. Presidents Dwight D. Eisenhower and Richard Nixon. He was a long time professor of history at the University of New Orleans and the author of many best selling volumes of American popular history...

 is a 1992 account of an Army paratroop company's battles during WWII.

Band of Brothers is the third historical novel in the Bolitho series by Douglas Reeman

Douglas Reeman

Douglas Edward Reeman, born at Thames Ditton, is a British author who has written many historical fiction books on the Royal Navy, mainly set during either World War II or the Napoleonic Wars....

 under the Pseudonym Alexander Kent. The book was published in 2006 despite fitting in the fictional narrative between Midshipman Bolitho and the Avenger

Midshipman Bolitho and the Avenger

Midshipman Bolitho and the Avenger is a historical fiction novel written by Douglas Reeman under the pseudonym Alexander Kent. Set in the late 18th century Royal Navy, the book is part of the Bolitho series and follows the main character Richard Bolitho....

and Stand into Danger published in 1978 and 1980 respectively.