In Pets readers explore the world of pets with articles full of fun facts and an exciting story about a young girl named Heather and her horse, Razz. Among many interesting facts, children learn that prehistoric people hunted horses for food before they were used for riding, that dogs were tamed to keep humans company and help them hunt, and that of all the millions of animals that have lived on Earth, only a handful have been tamed. Youngsters also read about some of the different types of pets that have brought so much happiness to girls and boys all around the world.