A Footstep Echo: The Complete Collection by J.D. Sanderson

Who is the Mystery Girl? Bernard Abbey's lonely, monotonous existence was forever turned upside down the day a mysterious young woman saved his life by taking him to another time. Soon Bernard realizes his new friend cannot speak or remember. Confronted with conflicting origins of her past, Bernard comes to believe his Mystery Girl is somehow linked to humanity's idyllic future. No matter when in time, someone is hunting the Mystery Girl, with government scientists, future eco-terrorists, and a host of others all in pursuit. It's a race against time for Bernard and his new friend to discover the truth about the future – and themselves.

Adult • Science Fiction/Romance • Science Fiction/Horror and Thriller • Science Fiction/Time Travel • Science Fiction

Content Warning: Some violence, PTSD-related trauma, death