Kat and Mouse are back—and they're having a sleepover! Exuberant Kat and serious Mouse are good friends, but can they choose a sleepover activity that they both enjoy? Mouse wants to read, but Kat's snacking is too loud! And when Kat starts a dance party, Mouse won't join in. Will these best friends find something to do that is fun for everyone?

Snuggle up for a sleepover adventure about friendship, expectations, trying new things, and the art of finding fun together!

With gentle social-emotional themes, a hearty helping of friendship, and Salina Yoon's signature bold art and sly humor, this is a winning new series that will charm even the pickiest new readers!