Knopf Books for Young Readers Impossible Creatures: The Poisoned King
Knopf Books for Young Readers Impossible Creatures: The Poisoned King

Impossible Creatures: The Poisoned King

By Katherine Rundell

$19.99

Publication Date: September 11, 2025

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Ages 10 And Up, Grades 5 And Up

Return to the magic of the Archipelago in the dazzling sequel to the runaway, #1 New York Times bestseller Impossible Creatures, hailed as “an instant classic” (Katherine Applegate, Newbery Medal Winner for The One and Only Ivan)!

*This spectacular book features foil and embossing on the jacket, full-color designed endpapers, and brilliant stained edges*

Christopher Forrester woke to find a dragon chewing on his face—and his heart leapt for joy! He’d been dreaming of going back to the Archipelago, the secret cluster of islands where all the creatures of myth still live, and here was his summons.

But there is a poison spreading in the Archipelago. Rooting it out will involve a daring rescue mission on the back of a sphinx, a stealthy entrance to a dragon’s lair, and a death-defying plan to save a prisoner held in the heart of a castle. At the center of this storm is Anneth: a small girl with a flock of birds at her side, a new-hatched chick in her pocket, and a ravenous hunger for justice.

Katherine Rundell’s second thrilling installment in the Impossible Creatures series involves castles, dragons, and revenge—the things of which great stories are made. The splendors within are brought to life with more than fifty illustrations, including a map and a bestiary of magical creatures.

Series Overview: New books in the Impossible Creatures series will be published simultaneously in the US and the UK.

About the Author

Katherine Rundell is the #1 New York Times bestselling author of Impossible Creatures and The Poisoned King. Her other books for children include Rooftoppers, Cartwheeling in Thunderstorms, The Wolf Wilder, The Explorer, and The Good Thieves. For adult readers, Rundell has written Vanishing Treasures: A Bestiary of Extraordinary Endangered Creatures and Super-Infinite: The Transformations of John Donne, which won the Baillie Gifford Prize for Non-Fiction. She was the recipient of the British Book Award for Book of the Year and Author of the Year. She grew up in Zimbabwe, Brussels, and London, and is currently a Fellow of St. Catherine’s College, Oxford.

Author Residence: London

Ashley Mackenzie is a Canadian artist and illustrator with a special affinity for dragons, dryads, and all magical creatures.

Format: Hardcover

Length: 304 pages

Publisher: Knopf Books for Young Readers

Publication Date: September 11, 2025

ISBN: 9780593809907

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