"Translated into English by Tracy Phua"--Title page verso.
"A solve them yourself mysteries adventure."--Cover.
"With clues to seek & find"--Cover.
Summary
"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." -- Provided by publisher.