Storytelling Math: Again, Essie?

Storytelling Math: Again, Essie?

Rafael wants to protect his toys from his little sister, Essie. Gathering materials from around the house, he builds a wall tall enough and wide enough to keep her out. But will it be strong enough? And what does Essie really want? A playful exploration of physical space and geometry, featuring Chicanx characters and a glossary of Spanish words.