Let’s Have a Sleepover: A Kat and Mouse Book, 2 – written and illustrated by Salina Yoon
Bloomsbury Children’s Books, 2026

Kat and Mouse, the very different but certainly not mismatched friends, are back. In Salina Yoon’s second book in the series (and I’ve reviewed other books by her here and here and here), they once again have to negotiate some disagreements, but their underlying affection for one another, and respect for difference, are reassuring. The book is also funny, illustrated with bold colors and text in fonts and sizes that correspond to changing circumstances.
If you remember from their first outing, Kat and Mouse expressed opposite ideas about food. Now they are about to have a sleepover, and Mouse has high expectations. “It will be the sleepover I have always dreamed about!” Yoon’s rendition of a mid-century turntable will certainly make that a reality. Mouse, on the other hand, wants to read, and also build a fort. But the fort-building project is actually a cozy reading nook. No wonder Kat is a little frustrated. She has other ideas for the structure.

Having already listened to Mouse’s reading aloud of “Three Blind Mice,” Kat envisions something a bit more dramatic, better suited to an extrovert. Their friendship is characterized by compromise more than conflict. Winnie the Pooh and Christopher Robin, Frog and Toad, George and Martha, all have their own perspectives but still manage to get along.

Mouse suggests a new role. It’s not exactly new, given the “Three Blind Mice” performance, but it has a new name, “narrator.” The sheets used as walls for the reading fort will become stage curtains. Mouse will read aloud the story of Cinderella, while Kat, costumed in a pink cape and hat, delivers a heartfelt performance of the lead role. Indeed, Kat is the “belle of the ball,” and Mouse is happy. They are best friends, they both enjoyed eating chips, even if Mouse found Kat’s loud crunching to be a distraction. The sleepover more than meets their expectations, as it will for readers of the series.
