21% Monster
Ratings/reviews counts are updated frequently.
Check link for latest rating. ( 49 ratings, 20 reviews)Read More
Found a better price? Request a price match
21% Monster
Book Hero Magic created this recommendation. While it's new and still learning, it may not be perfect - your feedback is welcome! IS THIS YOUR NEXT READ?
Latest News
The Hunger Games: Why it is one of the greatest YA series of all time
I absolutely LOVE ‘The Hunger Games’, and with ‘Sunrise on the Reaping’ arriving in New...
New Hero Alert! Meet Renee, Our New Warehouse Sidekick!
Meet Renee, one of the newest members of our Book Hero warehouse team! A keen...
The Story to Screen Report - 6/11/2026
It's another exciting week in the world of book-to-screen adaptations! From major casting announcements and...
The Lord of the Rings at Book Hero: There and Back Again… And Again
Our very first sale was an illustrated copy of The Hobbit, and our Tolkien collection...
A Little Bit of Magic: Building the Rolife Magic Fantasy Corner
There's nothing quite like spending an evening building a little bit of magic! Last weekend,...
See moreGenetically-modified teens try to bring down the organisation that made them.
Fun, fast-paced, high-octane action adventure, 21% Monster is a perfect page-turning new series for fans of Alex Rider, Percy Jackson, and the MCU generation.
When Darren Devlin is arrested for destroying his school with his bare hands, it's not just the police who are after him. Enter Marek Masters, 14 years old, 19% alien, and the most intelligent, most wanted "almost human" alive. Marek is here to tell Darren the truth - he is 21% monster, and together they must take down the secret organisation that created them.
Darren and Marek are wanted, powerful, and dangerous. And now it's payback time.
Series: 21% Monster
View allBook Hero Magic summarised reviews for this book. While it's new and still learning, it may not be perfect - your feedback is welcome! HOW HAS THIS BEEN REVIEWED?
Canning is praised for being a talented storyteller, effectively balancing character development with an engaging plot. The book is described as an action-packed science-fiction adventure, marking the start of an exciting series that captivates readers from beginning to end.
Book Details
INFORMATION
ISBN: 9781474984416
Publisher: Usborne Publishing Ltd
Format: Paperback / softback
Date Published: 07 July 2022
Country: United Kingdom
Imprint: Usborne Publishing Ltd
Audience: Children
DIMENSIONS
Spine width: 20.0mm
Width: 130.0mm
Height: 198.0mm
Weight: 230g
Pages: 304
About the Author
P.J. Canning has a PhD in Chemistry and works in Cambridge. He is married with three children, all of whom are brutal critics of his work. P.J. heard someone say "write about what you know", but he prefers to write about aliens and monsters instead. 21% Monster is his first novel.
Also by P.J. Canning
View allMore from Children's Books
View allWhy buy from us?
Book Hero is not a chain store or big box retailer. We're an independent 100% NZ-owned business on a mission to help more Kiwis rediscover a love of books and reading!
Service & Delivery
Our warehouse in Auckland holds over 190,000 books, toys, board games and puzzles in-stock so you're not waiting for your order to arrive from overseas.
Auckland Bookstore
We're primarily an online store, but for your convenience you can pick up your order for free from our bookstore, which is right next door to our warehouse in Hobsonville.
Our Gifting Service
Books make wonderful thoughtful gifts and we're here to help with gift-wrapping and cards. We can even send your gift directly to your loved one.
Children's Books lists from the team
Explore our curated lists from our heroes to find your next read!














