Codebreaker

A Novel

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Pub Date Jul 22 2025 | Archive Date Aug 05 2025
St. Martin's Press | Wednesday Books

Description

This original, interactive thriller from debut author Jay Martel follows a brilliant teenage girl as she races across D.C. to decode the clues her father left behind, which may just be the key to saving the country from a devastating tragedy.

Mia Hayes has peaceful plans for the summer—find a part-time job at a coffee shop and work on her college applications. Those plans are shattered one night when government agents arrive unannounced at her home seeking something they believe her father has taken. When the dust settles, her mother is dead and her father is gone, a fugitive on the run.

Three weeks later, and still reeling from her father’s betrayal, Mia spends her seventeenth birthday at a protest in the heart of D.C., where she meets Logan, a rebellious and charming hacker. Just as she’s enjoying her first happy moment since the night her world exploded, a voicemail from her father arrives to upend everything she believed about her family, her past, and what really happened that night three weeks ago. Even more, the voicemail hides another encoded message inside which, once Mia solves it, sets her and Logan off on a mission from her sleepy suburb straight into the heart of the federal government.

With the same agents now hot on their trail, Mia and Logan must navigate their way through American history’s most iconic sites and uncover its most well-hidden secrets to reveal the truth about her family and stop a deadly attack.

In this non-stop thrill ride, the reader has the chance to test their own codebreaking skills alongside Mia, lending an exciting interactive element to this page-turning thriller packed with action, romance, and life-changing revelations.

This original, interactive thriller from debut author Jay Martel follows a brilliant teenage girl as she races across D.C. to decode the clues her father left behind, which may just be the key to...


Available Editions

EDITION Other Format
ISBN 9781250355546
PRICE $13.00 (USD)
PAGES 336

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Average rating from 27 members


Featured Reviews

ARC Review! - Releases July 22, 2025

⭐️⭐️⭐️⭐️

This was definitely National Treasure x The Da Vinci Code for YA readers! If you are a fan of either of these, definitely put this on your TBR.

The story follows Mia as she follows a scavenger hunt of codes from her father who was a famous code breaker. But she’s also on the run from a shady government group looking for something her father stole. After a travesty, she knows she holds the key to finding out what it was…

Such an interesting story - I devoured this one up rather quickly. While it is a YA read - there’s enough action and twists that even adults can enjoy it.

I loved the whole code breaking concept and the history the authors wove through this tale. I actually noticed most of my highlights were things I wanted to research further. But it was done in an interesting way that doesn’t take you out of the story or make you feel like you are reading a history book.

Also bonus points for the ability to stop and decode everything yourself! I definitely took advantage of this and solved the codes before moving on. It added such a fun element to the book I think a lot of people will love.

Now I will say I caught the main 2 twists right off the bat in the story due to just how many clues there were leading up. This did take me out of the story a little bit but if you don’t figure it out - you will be in for some big surprises. But personally, it felt a little too easy to figure out.

Overall, I really enjoyed this read and think a lot of other people will too! Such a great debut that I was shocked to discover it was a debut. I’ll definitely be keeping an eye out for further works from this couple.

❤️ Big thanks to Wednesday Books, Jay Martel and NetGalley for a copy of this book in exchange for my honest opinions!

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