For a baseball fan, what could be better than getting an autograph from your favorite player or finding his baseball card? Now young people can celebrate their passion for our national pastime with some of the sport's most devoted collectors and the game-used bats and jerseys, autographed balls, and trophies from some of the most famous players, teams, and moments in baseball history.

More than 100 photos showcase baseball treasures most people have never seen before:

• Jerseys worn by legends such as Ty Cobb, Joe DiMaggio, Lou Gehrig, and Jackie Robinson
• The T206 Honus Wagner baseball card (the most expensive card in history)
• Bats used by the immortal Babe Ruth and Shoeless Joe Jackson

With baseball historian and enthusiast Stephen Wong as your guide, here's an introduction to some of the finest private baseball collections in the world and tips for how to start your own collection of baseball memorabilia.