If I Ran the Zoo is all about imagination. Wait, strike that. It's about the power of change that imagination gives us. In this case, we're specifically talking about children, but you could expand the premise to include adults, senior citizens, and, heck, even teenagers. Why not? We've all got a little imagination in us.
All right, let's get our mental powers pumping and see if we can't crack this book wide open with our minds.