
By J. I. Wagner, Javier Gimenez Ratti (Illustrator), Tracy Phua (Translator)
Part of the Solve-Them-Yourself Mysteries series
A vanished inventor's secret sparks a race against a relentless foe.
Timmi Tobbson and friends embark on a thrilling quest to uncover a vanished inventor's hidden legacy. As they piece together cryptic clues, an old adversary emerges, determined to thwart their mission. Can they solve the puzzles in time, or will the inventor's secrets fall into the wrong hands? Each chapter ends with a visual mystery, challenging young sleuths to crack the case. Dive into a world where friendship fuels courage and every clue brings them closer to the truth. Will they succeed before it's too late?
A world famous inventor disappears under mysterious circumstances, leaving behind clues to a well hidden secret. In a race against time, Timmi Tobbson and his friends hope to uncover and save the inventors legacy, while an old and powerful enemy resurfaces, stopping at nothing to get there first.
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