The Eureka Key (Secrets of the Seven)

Are you ready for an adventure of a lifetime? Join Sam, Martina, Theo, and Evangeline on their thrilling journey across the United States as they uncover the secrets of Benjamin Franklin's greatest invention! With puzzles, riddles, and traps guarding each key, this is no ordinary treasure hunt.

But don't worry, you won't be alone - our team of experts will guide you every step of the way. In this action-packed series starter, two children win a contest and embark on a summer trip across America, only to find themselves in a dangerous chase against a rival group led by Gideon Arnold, a descendant of the infamous Benedict Arnold.

With their wits and ingenuity, they must solve puzzles, escape deadly traps, and uncover the secrets of our nation's past. Don't miss out on this once-in-a-lifetime opportunity to join the adventure of a lifetime! Get your copy of "The Secret Weapon" today and embark on an exciting journey full of mystery, danger, and discovery.