In The Martian Sentence, an ancient artifact sparks a race across time and space. From the ruins of Mesoamerica to the red sands of Mars, Wayne Abrahamson delivers a gripping sci-fi thriller where the fate of humanity rests in the hands of unlikely heroes-and the secrets of time itself. Racing against each other, two teams of explorers embark on a quest for an ancient cylinder rumored to hold the secrets of time and space travel. From the jungles of Mesoamerica to the desert landscape of Mars, Wayne Abrahamson, author of Black Silver and Sergeant Dooley and the Submarine Raiders, weaves a tale of intrigue as rivals compete to harness the cylinder's power. While archaeologist Geoff Manwaring conscripts a group of death-row inmates to serve as his crew for a voyage to Mars, famed billionaire and explorer Angar Einstok, leading a team of special operatives, attempts to thwart Manwaring's mission and secure the cylinder for his own benevolent purposes. In a gripping adventure that transcends historical boundaries, placing world leaders and events in a new light, readers experience a battle between good and evil, wherein loyalties are tested, and humanity's fate hangs in the balance. Fans of Andy Weir, James Rollins, and Michael Crichton will love this pulse-pounding journey of ancient secrets, space exploration, and survival against all odds.