Britannica Educational Publishing 
Britannica Guide to Baseball [PDF ebook] 

Integral to the consciousness of the American people, the sport of baseball has become a steadfast institution in a nation whose identity is constantly evolving. Although the game has undergone its own share of changes since it first took center stage, baseball has maintained an unwavering devotion among fans and players alike. This comprehensive volume details the rules of baseball, introduces some of its key personalities, and examines the historical role of the game as it changed both the recreational and social landscapes of the country.