Colophon Letterford's life changed overnight when she uncovered Shakespeare's lost manuscripts. Now the authenticity of those manuscripts is in question . . . and the centuries-old family publishing business is in danger. In this exciting mystery, thirteen-year-old Colophon travels from Oxford's lofty Tower of the Five Orders to the dank depths of London's sewers in her pursuit of truth and honor. But the stakes are high. Budding cryptologists, Shakespeare fans, and mystery lovers alike will revel in the twists and turns of this fascinating middle grade sequel to Secrets of Shakespeare's Grave .