Earth turns up on the vacation she wasn't invited to and finds all the other planets in the solar system in the hot tub—even Pluto! Then she discovers exactly why: it looks like she has fleas! Yuck. Earth asks everyone to take a look inside her atmosphere, and they're amazed by what they see . . . birds, fish, creatures galore, and yes, even fleas. is the perfect story to teach us to be kind and less quick to judge others.