Books like The Unbreakable Code by Jennifer Chambliss Bertman
When the mysterious Mr. Quisling drops a cryptic note at a local book event, siblings Emily and James begin to trace a series of encrypted messages tucked into well‑known titles by Mark Twain. Each hidden book appears linked to strange fires that erupt in the city. As the splintered clues unfold, the friends realize Quisling is after a legendary, supposedly unbreakable code—an ancient puzzle rumored to hold great power. Emily and James must dance with time and danger, piecing together encryption while trying to uncover whether Quisling himself is the arsonist and the true mastermind behind the chaos.
First publish date: 2017
Genre: Children's Fiction/Children's Adventure
Authors: Jennifer Chambliss Bertman
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Some Other Similar Books
The Edison Code by Kallie GeorgeThe Cryptid Catcher by Brandon Cohen
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