Alfredo Jaramillo was just another foster child with a temper. No one expected him to gain admission to Warner University, the world’s only time traveler training facility. In 2073, the once-mighty United States teeters on the brink of economic collapse, its industries in ruins, and Christianity a distant memory. But for those who make it through Warner, wealth and freedom are still possible. Now the youngest student ever to travel in time, Alfredo is sent to 1688 London with Dr. Storm, his advisor and father figure, and Monica, his competent but annoying security liaison. Once back from the trip, Alfredo’s future will be set. But it all goes horribly wrong as Dr. Storm meets a gruesome end, leaving Alfredo stunned by grief, burning for vengeance. When Alfredo deserts his mission on a quest for blood, Monica faces an impossible protect the timeline at any cost or risk everything to save her mission partner. As the lines between duty and personal vendetta blur, "Time's Assassin" unfolds into a pulse-pounding prequel to the Mason Timeline series that will leave you on the edge of your seat. In a world where the past is fragile and the future isn’t promised, only one thing is time is running out.