The Rules of Baseball. An Anecdotal Look at the Rules of Baseball and How They Came To Be. By David Nemec

The Numbers Game: Baseball's Lifelong Fascination with Statistics By Alan Schwarz

The History of Early Baseball Playing for Keeps: 1857 - 1876 By Warren Goldstein

Baseball before We Knew It - A Search for the Roots of the Game By David Block

The Rules of The Game: A Compilation of the Rules of Baseball 1845-1900 By Eric Miklich

Treasures of the Baseball Hall of Fame By John Thorn

The Life of a Baseball Radical - Orator O'Rourke By Mike Roer

Children's Books

Game 1: #1 in The Barnstormers: Tales of the Travelin' Nine Series By Loren Long (Illustrator), Phil Bildner (Author)

Hey Batta Batta Swing!: The Wild Old Days of Baseball
By Sally Cook and James Charlton (Authors), Ross MacDonald (Illustrator)