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 f

Following the clues concealed within a centuries-old family legacy, Timmi Tobbson and his friends hope to save a dear friend. But only twenty-four hours remain

The development of Valium by Roche Pharmaceutical and the entire benzodiazepine group of active substances was among the greatest accomplishments in 20th-centur

The first biography of an unrecognized, 19th-century genius, the man who plotted Manhattan's famous city grid.