York: The Shadow Cipher

Like York, this story features a group of highly gifted children who must use their unique intellectual talents to solve complex puzzles and thwart a global threat. It shares the same sense of wonder, intricate plotting, and focus on teamwork found in the Shadow Cipher.

This classic mystery is the gold standard for puzzle-based literature, featuring a large cast of characters competing to solve a riddle-filled will. Fans of the Morningstarr ciphers will appreciate the analytical depth and the way the setting itself serves as a giant game board.

Set in an alternate 1889 Paris, this novel captures the same historical-yet-fantastical atmosphere as York, complete with ancient artifacts and complex riddles. It features a diverse ensemble cast working together on a high-stakes heist involving secret societies and architectural mysteries.

This atmospheric mystery takes place in a rambling, secret-filled inn where characters must decipher clues hidden within the house's history. It mirrors the 'architectural puzzle' aspect of York and features a compelling duo of young protagonists uncovering layers of secrets.

This book blends a modern-day scavenger hunt with a deep historical mystery, much like the dual-layered nature of the York trilogy. It deals with ciphers and hidden legacies while tackling significant social themes through a lens of friendship and discovery.

Set in a 1930s Paris train station, this book shares York's fascination with clockwork, mechanical marvels, and the secrets left behind by eccentric creators. The cinematic storytelling and focus on historical mystery will resonate with fans of Laura Ruby's world-building.

In a dying underground city, two children must decipher ancient, fragmented instructions to find a way out. The sense of urgency, the reliance on logic to solve environmental puzzles, and the 'city-as-a-machine' concept align perfectly with the themes of York.

This story is directly comparable to York as it involves siblings discovering that their New York City apartment building is filled with hidden puzzles left by a mysterious architect. It is a pure celebration of ciphers, hidden rooms, and the history of NYC architecture.

While more supernatural, this book features a trio of young investigators in an alternate-history London that feels very similar to the 'Old York' vibe. The witty banter between the leads and the slow uncovering of a massive conspiracy will appeal to Shadow Cipher fans.

This Victorian-style adventure is steeped in steampunk technology and clockwork automatons, mirroring the aesthetic of the Morningstarrs' inventions. It follows a brave heroine as she solves a mystery involving her father's secret technological breakthroughs.