A hidden map. A ticking clock. A treasure that time almost forgot.
When the Oakhaven Library announces a renovation, the basement?a labyrinth of forgotten history?is scheduled to be sealed off forever. But when the Junior Detectives discover a century-old map hidden in a rusted box, they realize they are the only ones standing between a priceless treasure and an eternity of concrete.
The clock is ticking. With less than two days until the construction crews arrive, Sam, Mia, and Jake must decipher a map with invisible ink, find a hidden chamber, and uncover the truth behind the town founder's final secret.
But the real treasure isn't what they expect. It's the very heart of Oakhaven itself, and it's been waiting in the dark for a hundred years for someone brave enough to find it.
