Cats are very peculiar animals, and William and Tibby Forever, Lynda Hamblen book with an indomitable kitten, proves just that. There's no question that cats are one of the popular choices for pets for that reason. These unique little creatures are just fun to be around. They are playful and cheerful, then grumpy and naughty the next. Yet, they can get away with their behavior easily because of their adorable looks.