An Encrypted Clue

Secret writing in the margin of an old book gives The Math Kids have a new puzzle to solve. The clues lead the kids into the mysterious old house that overlooks the town. Is it really haunted like some of the townspeople say? **Fast paced mystery** And who is the man in the long beard who keeps showing up everywhere they go? Jordan, Stephanie, Justin, and Catherine find their problem-solving skills might help them solve a decades-old mystery. **This Middle Grade Book** - Introduces readers to interactive math and logic problems they can apply to real-life situations - Dives into social issues and problem solving - Includes an appendix for hands-on learning - Has a complimentary teaching guide available on the publisher's website