An introduction describes the basic rules of baseball and shows how numbers are used all the time in this sport: 4 bases, 3 strikes, 4 balls, 9 innings,etc.  The next pages show a player demonstrating parts of the game.  There are simple story problems using numbers the reader has learned from the text.  The answers to 7 questions about various parts of the game are on page 23 or this 24 paged book.  Also included are baseball facts using numbers from some games and players.  A glossary is on the last page.