The Adventures of Sharkey the Dog is a series of books written for children ages 3 - 6. In the first book, Sharkey meets Kittyhead, two very different animals learn to be friends despite their differences. When Kittyhead first comes to live in the house Sharkey is very upset. The cat's ears stand up instead of flop over. Kittyhead has long whiskers and a very long tail; Sharkey's are very short. He plays with Sharkey's toys and sleeps in all of Sharkey's favorite places. This makes her angry. But soon they discover that they have many things in common and can learn to share their house and be friends.