Bedtime for superheroes
"Being a superhero is hard work! Fighting evil, catching bad guys, saving the day, and it's messy too! After a long day of being a superhero, even the best superhero has to take a bath, wash their superhero clothes, and rest up for another day of saving the world."--Back cover.
Running Press Kids, an imprint of Perseus Books, LLC, a subsidiary of Hachette BookGroup, Inc