A little imagination goes a long way in this hilarious debut children's book by Christopher E. Bell. When the Bobby siblings hear a knock at the door, it could be anyone (or anything) on the other side! Perfect for kids with wild imaginations, with clever, innovative illustrations by Oliver Bundoc. A fun bit of silliness for the beginning reader, a toddler at bedtime, or anyone who enjoys letting a simple idea spiral out of control for a little while. Your kids will be asking to read this story again and again.