César’s Cerulean Surprise

César’s Cerulean Surprise by Jenny Lacika is a vibrant addition to the math picture book series published by Charlesbridge Publishing, set to be released on October 21, 2025. This 32-page book is designed for preschoolers and kindergarteners, featuring relatable stories that reflect the everyday experiences of young children. The narrative follows César as he attempts to borrow his little sister Gabi’s cerulean crayon, leading to a playful game of yes-no questions that highlights both logic and color concepts.

Readers will find a joyful exploration of mathematics woven into the storytelling, with Chicanx characters and the inclusion of Spanish color words. The book encourages children to engage with math through their daily adventures, making it an interactive experience for both kids and their caregivers. With hands-on activities developed in collaboration with math experts, this edition aims to foster a love for learning and discovery in a fun and relatable way.