The riveting true story of the FBI's investigation into the first act of sabotage against a U.S. commercial aircraft and the unprecedented televised trial that exposed the dark motives of John Gilbert Graham, who placed a bomb in his mother’s suitcase shortly before she boarded the plane known as the Mainliner Denver. A compelling page-turner, Mainliner Denver delivers a shock to the system. Fasten your seat belt. Lock your tray table and get ready -- it's going to be a bumpy ride. Join history buff and researcher Andrew J. Field as he probes the annals of aviation history, unraveling the mystery behind the bombing of "Mainliner Denver." In an absorbing and investigative style, Field paints a picture of the aviation world leading up to and following this incredible story.