Oakhaven Junior Detectives and the Ghost in the Foundation - Paperback
Oakhaven Junior Detectives and the Ghost in the Foundation - Paperback
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by Koenzi (Author), Peter Young (Author)
A haunted library. A silent vibration. A mystery only science can solve.
Every night at exactly 9 PM, Oakhaven Library shakes. Books fall, lights tremble, and people feel something terrifying-but there's no ghost.
Sam, Jake, and Mia investigate and uncover a hidden machine producing a dangerous 19-Hertz vibration. With the library's future at risk, the young detectives must follow the evidence, decode the science, and expose the person behind the "haunting."
Can they solve the mystery before the library is destroyed?
A thrilling science mystery packed with clues, suspense, teamwork, and real-world physics.
