Ever since the first youngster in history had a pet, cats versus dogs has been a hotly debated issue on playgrounds and at lunch tables worldwide. Before kids can choose which animal they prefer, though, they'll need to get the facts! This advanced reader presents information in an accessible, appealing way, with plenty of adorable photos and a helpful glossary. So which one's better, a border collie that can understand hundreds of words or a cat that can tell when an earthquake is coming? Which one's smarter? More loyal? It's up to readers to decide, and this book can help them do that.