When physicist Jon Adams found the notes his grandfather, Tiberius Adams, left him in his will, he knew exactly what he had to do. Tiberius and his lab partner, Mia Connors, developed The Quantum Passageway, a device that revolutionized space travel, nearly a century ago when they were teenagers at Teakwood Academy. The notes described a paradox that, if left unresolved, would cause a rift in the space-time continuum and shift the timeline to an uncertain future. But Jon's time machine was not fully tested and the Corporation, tired of waiting for results, had canceled the project and ordered...