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The Blackthorn Key

by Kevin Sands

Book 1 in The Blackthorn Key

Subject
Fantasy & Magic
Age
9-12 years
Format
Hardcover
Pages
384
Publisher
Aladdin Paperbacks
Size
14.7 cm × 21.1 cm
ISBN
9781481446518
Following a series of murders, an apothecary’s apprentice must solve puzzles and decipher codes in pursuit of a secret that could destroy the world in this suspenseful debut novel.

“Tell no one what I’ve given you.”

Until he got that cryptic warning, Christopher Rowe was happy, learning how to solve complex codes and puzzles and creating powerful medicines, potions, and weapons as an apprentice to Master Benedict Blackthorn—with maybe an explosion or two along the way.

But when a mysterious cult begins to prey on London’s apothecaries, the trail of murders grows closer and closer to Blackthorn’s shop. With time running out, Christopher must use every skill he’s learned to discover the key to a terrible secret with the power to tear the world apart.

In his stunning debut novel, Kevin Sands brings readers on a heart-stopping adventure rich with suspense, mystery, and unforgettable characters.

About the author

Kevin SandsAuthor

Since escaping from university with a pair of degrees in theoretical physics, Kevin Sands has worked as a researcher, a business consultant, and a teacher. He lives in Toronto, Canada. He is the author of the award-winning and bestselling Blackthorn Key series.

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What reviewers said

"An auspicious debut middle grade novel . . . The story is well paced, managing not only to keep readers hooked, but also second guessing everything they think they know. Sands integrates a series of fun and interesting riddles and codes with chemistry concepts—no easy feat. The ending is dynamic and rewarding, with just the right blend of the fantastical and realistic. One of the true triumphs is the author’s ability to create a character who feels accurate for the time period, while also displaying a modern sensibility that will keep readers engaged . . . VERDICT This is an excellent story…
School Library Journal STARRED REVIEW
"An inspired blend of action, adventure, science, history, and humor, filled with fascinating facts, clever codes, and wonderful characters."
Stuart Gibbs
An auspicious debut middle grade novel. Set in the 1600s, the story revolves around Christopher Rowe, the apprentice to a Master Apothecary. After losing his master, Christopher begins to unravel a series of complex codes that his master had, unbeknownst to Chris, been preparing him to solve all along. The more that the protagonist uncovers, the more he finds himself in danger, along with his loyal-to-a-fault best friend. The story is well paced, managing not only to keep readers hooked, but also second guessing everything they think they know. Sands integrates a series of fun and interesting…
School Library Journal STARRED REVIEW
"Magic, adventure, and things that go boom--I love this book."
Eoin Colfer
"First-time novelist Sands has written an exciting and self-assured tale of alchemy and dark secrets . . . Sands adeptly balances the novel’s darker turns with moments of levity and humor, and fills the book with nicely detailed characters and historical background—plus lots of explosions. It’s a story that should have broad appeal, while especially intriguing readers with an existing interest in chemistry, history, and decoding puzzles."
"Captivating! A masterful page-turner brimming with secrets, traps, friendship, intrigue, pigeons, potions, loyalty, and explosions. Kevin Sands has created an engaging, kind-hearted, and humorous young hero in apothecary's apprentice Christopher Rowe. This thrilling adventure will keep you hooked."
Ingrid Law
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© 2026 Peekabooks Inc. All Rights Reserved.