Matt Christopher Sports Readers are for his youngest readers. Enjoy the antics of Harry the Airedale dog as he helps his owner's team to victory! Now four titles are back in print in a quality library binding. Start your young sports fans off with this introductory series by the popular fiction sports writer Matt Christopher. The Dog that Called the Signals, The Dog that Pitched a No-Hitter, The Dog that Stole Football Plays, and The Dog that Stole Home.