It's outta here! In 1921, New York Yankees slugger Babe Ruth smashed a home run that sailed 575 feet (175 m), the longest homer ever hit in a Major League Baseball game. Ruth's home runs thrilled fans and revolutionized the game. One hundred years later, the home run is still the most exciting play in baseball. Do you know: Why it’s easier to hit home runs in some ballparks than others? Why Reggie Jackson’s nickname is Mr. October? Who Major League Baseball’s all-time home run leaders are? Read about baseball’s greatest sluggers and the most incredible, jaw-dropping home runs in the sport. Find out how home runs went from afterthoughts in baseball’s early years to awesome, game-changing moments that fans can’t stop talking about. The walk-offs, moon shots, and record breakers are all here in thrilling detail. "Holy cow! It is high; it is far; it is gone! A game winner."—starred, Kirkus Reviews