"Dark Matter" is a thrilling science fiction novel that explores the concept of alternate realities and the nature of existence. The protagonist, Jason Dessen, is a college physics teacher leading a fulfilling life until he is abruptly confronted by a mysterious figure who abducts him. Forced into a perilous journey, Jason finds himself in a parallel universe where his life has taken a drastically different course. This sets off a chain of events that challenge his identity and prompt him to fight for his true life and family. The novel delves into deep philosophical questions about choices, love, and the paths we take. As Jason navigates through various realities, he encounters alternate versions of himself and grapples with the choices that led him to his current situation. This compelling narrative keeps the reader engaged, exploring not just science fiction elements but also emotional depth and human connection.