books.google.com - "An ostrich is a bird? But it doesn't fly!" Help demystify the basic classes of the animal kingdom for young students. Engaging photographs and simple descriptions clarify how we categorize groups of animals. A wide range of examples gives students opportunities to compare and contrast the species in...http://books.google.com/books/about/What_Is_a_Fish.html?id=3ZbFVmjImeEC&utm_source=gb-gplus-shareWhat Is a Fish?