Book Series · 3 Books

Impossible Creatures Books

In order from Impossible Creatures to The Poisoned King.

The Impossible Creatures series is a set of 3 chapter books by Katherine Rundell, published between 2023 and 2025. Written for ages 8–12, most books run about 340 pages.

Where the story begins

First Book in the Series

Sale price

$1899

Book #1 · Chapter Book · Ages 10–+ · 2023

Impossible Creatures

By Katherine Rundell, Ashley Mackenzie (Illustrator)

Two kids must save a fading magical world before it's too late.

368 pages· 71,233 words· Est. 10 hour read

$19.99Save 5%

Hardcover

Summary: Christopher's life changes when he rescues a baby griffin, unveiling the Archipelago, a realm of magical creatures now in peril. Joined by Mal, a girl in need, they race across islands, seeking answers to the fading magic. As they face mythical beings and uncover dark truths, it becomes clear: only they can save this enchanted world. Will they succeed before it's lost forever?

In reading order

Impossible Creatures Series

3 books · Published 2023–2025

#1 in Series

Sale price

$1899

Impossible Creatures

Chapter Book · Ages 10–+ · 2023

Two kids must save a fading magical world before it's too late.

#2 in Series

Sale price

$1899

The Poisoned King

Chapter Book · Ages 8–12 · 2025

A mythical island faces a spreading poison. Can a daring rescue save it?

Series

Sale price

$1899

The Neverfear

Chapter Book · Ages 10–+

Masked bandits threaten the Archipelago. Can they be stopped before it's too late?

Good to know

Common Questions

How many books are in the Impossible Creatures series?

There are 3 books in the Impossible Creatures series. It began with Impossible Creatures in 2023, and the newest book, The Poisoned King, was published in 2025.