Hachette

A family legacy is in crisis. Can you solve 10 puzzles to find the treasure that will save the day?  Lily lives in the most beautiful place in the ...

A maze of underground tunnels. Ten puzzles that lead to treasure. Can you solve them all? Legend tells of a priceless treasure hidden in an ancient...

Join P.I. Hartigan Brownesolve in this fantastic, festive, interactive puzzle adventure story—perfect for code-cracking families and skillful young...

Solve a new puzzle each day—24 total—on a madcap romp through Santa’s headquarters! Billy the Elf works at Santa’s Workshop in the Arctic. A calm, ...

The New York Times bestselling series returns! Zander and Natasha must reverse an evil spell threatening the Number Nine Plaza’s very existence in ...