The Explorer's Code

Three kids have everything they need to solve the decades-old mystery of Idlewood Manor, in this middle grade novel full of real ciphers, puzzles, riddles, and codes that Kirkus Reviews calls "a worthy call to unravel a mystery."

Idlewood Manor has been uninhabited for decades, until now . . .

Math whiz Charlie won admission in a puzzle contest—and he's intrigued by the strange numbers he finds on Idlewood's walls. His restless sister Anna had to be dragged to the house—but then she discove...