I couldn't ask for a more perfect pet. There is just one problem...;I THINK MY PET ROCK IS GROWING! In the fun loving children's book, you will find out what happens if a little boy's pet rock starts growing. How will he fit his bed, eat is lunch or even take a bath Things will get very tricky, but in the end it all works out. Your child will enjoy using their imagination as they experience this super, silly story.