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Luna and the Case of the Missing Mooncakes

Part of Storytelling Math

Author Natasha Yim

Illustrated by Violet Kim

Paperback

$7.99 US

Charlesbridge

9.5"W x 9.5"H x 0.14"D (24.1 x 24.1 x 0.4 cm) | 7 oz (190 g) | 76 per carton

On sale Aug 12, 2025 | 32 Pages | 9781623544676

Age 3-6 years | Up to Kindergarten

Sales rights: World

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Children's Books > Children's Picture Books

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Celebrate diversity, math, and the power of storytelling!

A math picture book series for preschoolers and kindergarteners with relatable stories and part of little kids’ everyday experience.

Someone in the family is stealing mooncakes! Could it be big brother Kai? Luna’s other brother Benji? One of the cousins? Or maybe a grown-up? Detectives Luna and Mina search for clues and eliminate suspects during the Mid-Autumn Festival celebration. Can they catch the thief?

Storytelling Math celebrates children using math in their daily adventures as they play, build, and discover the world around them. Luna and the Case of the Missing Mooncakes is a playful exploration of logic, featuring Chinese American characters and includes a cultural note about the Mid-Autumn Festival.

K-Gr 3–Young cousins come together for detective work to solve a puzzling mystery during a holiday gathering celebrating the Mid-Autumn Festival. Just as the cousins begin playing their favorite game, they notice a mooncake is missing from the box that Mina brought. Luna, with tan skin and brown hair, dons oversized detective-like clothing to tackle an investigation into the pilfered pastry. Luna and Mina insightfully eliminate possible suspects and search for proof through clues that are cleverly placed into the story’s framework through the illustrations. As the plot unfolds, readers also become detectives, and the probability of discovering the yummy holiday food staple and after-dinner dessert is crucial to recovering the treat. Imagination along with a well-crafted scenario create a palpable mystery that is quite palatable, as readers crave the suspense from page to page while attempting to link clues to solve the mystery. Luna’s diverse family includes grown-ups, siblings, and cousins with various hair colors and skin tones. Combining witty plot development and humor raveled with clues embedded inside the illustrations, this story encourages young mystery lovers to learn to develop assessments, make informed decisions, and collaborate with others. VERDICT This joyful whodunit encourages critical and analytical thinking, as well as problem-solving skills and awareness using a recognizable extended family structural setting.
—School Library Journal

Natasha Yim is the author of Sacajawea of the Shoshone (Goosebottom, 2012), Cixi, "The Dragon Empress" (Goosebottom, 2001), and Otto’s Rainy Day. She lives in Ukiah, California, with her family. View titles by Natasha Yim

Violet Kim View titles by Violet Kim

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Classroom Activities for Luna and the Case of the Missing Mooncakes

Classroom activities supplement discussion and traditional lessons with group projects and creative tasks. Can be used in pre-existing units and lessons, or as stand-alone.

(Please note: the guide displayed here is the most recently uploaded version; while unlikely, any page citation discrepancies between the guide and book is likely due to pagination differences between a book’s different formats.)

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