Book excerpt: Imagine spending your life swimming around and around in an underwater world of beauty. Inside this book, Miss Smith will introduce you to Goldie and Gracie, the new class pet goldfish. You will learn all about how they live, breathe, smell, see, hear, and sleep; how to care for them and their aquarium; what they eat; their anatomy and life cycle; and some of the common diseases goldfish are prone to. If taken care of properly, your class pet fish can live a long, healthy life.