Mother Deuce: Tennis Etiquette and Rules of the Game is for the young tennis player age 3-10. It explains scoring, calling the lines, fair play, etiquette and sportsmanship. Tennis scoring is even difficult for adults because it is different. The points are 15, 30, 40 and game. Learn about "add in" and "add-out", tiebreakers, deuce and other tennis terms. Tennis is a sport that you can play for your entire life. You do not need a team of players, just two or four.