Hank Aaron Signed "I Had A Hammer: The Hank Aaron Story" First Edition Book - This first edition copy of Hank Aaron's autobiography titled "I Had A Hammer: The Hank Aaron Story" is signed by the MLB legend on the front endpaper. The signature is notarized dated Oct. 1, 1996. Hank Aaron is lauded as one of the greatest baseball players in history, and at the time of his retirement held most of the game's key career power-hitting records. He broke the long-standing MLB record for home runs held by Babe Ruth and remained the career leader for 33 years. Aaron hit 24 or more home runs every year from 1955 through 1973 and is one of only two players to hit 30 or more home runs in a season at least fifteen times.