Mimmy and Simmy are on their way to buy the first pets they ever had. But choosing animals their mothers will approve of turns out to be a hard job. When they finally find two perfect pets, the pets turn out to be not-so-perfect after all! It takes a while to find a perfect solution for their families, the pets, and of course for Mimmy and Simmy. For readers ages four to ten. Last book in a series of four.