Knopf Books for Young Readers Quetzal's Labyrinth
Knopf Books for Young Readers Quetzal's Labyrinth

Quetzal's Labyrinth

By Karla Arenas Valenti

$18.99

Publication Date: September 1, 2026

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Ages 8 to 12, Grades 3 to 7

From the Pura Belpré Award–winning author of Lola comes an action-packed middle grade fantasy where Aztec mythology crashes into everyday life. When twelve-year old Diego discovers ancient gods are real, he must journey into a deadly labyrinth to stop a vengeful power before it destroys the world.

Diego never believed his abuelo's stories of gods and monsters and the ancient magic woven through Mexican history. Not until he finds himself sprinting down a dark hallway, chased by a beast straight out of lore—its fur as coarse as iron and five human hands clawing furiously at his throat.

Turns out, the myths are real, and their magic is erupting into Diego's world. As shadowy creatures besiege his apartment, abuelo's dog Cholo fixes Diego with a human gaze and speaks. Cholo reveals they've been unwittingly ensnared in a centuries-old rivalry between the great God Quetzal and his ruthless brother Tezca. Tezca is rising, summoning an army of minions, while Quetzal, the only one strong enough to stop him, has vanished.

Humanity hangs by a thread, and Diego has no choice but to enter Quetzal’s labyrinth—accompanied by his friends Violeta and Cholo, a sassy rubber chicken, and a bloodthirsty kitten—to face a power older than civilization itself.

The stakes are legendary, but maybe, deep down, Diego is too.

Story Locale:Mexico City and the fantastical world of Nahualan

About the Author

Karla Arenas Valenti grew up in Mexico City in a house built around a tree. Her childhood was filled with fantastical elements, which she incorporates into her books—taking readers on journeys steeped in magical realism, fantasy, and big philosophical questions. Karla is the recipient of the Pura Belpré Award, and her middle grade novels Lola and Lotería have received a combined seven starred reviews. She currently resides in the Chicagoland area with her husband and three kids, two cats, and hundreds of books.

Author Residence: Chicago, IL

Author Hometown: Mexico City, Mexico

Format: Hardcover

Pages: 352

Publisher: Knopf Books for Young Readers

Publication Date: September 1, 2026

ISBN: 9798217028931

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