by Blake Crouch : A high-stakes thriller involving parallel universes.
: The final confrontation where survivors must choose between their own safety and the essence of their humanity. Other Sci-Fi Thrillers with ~5.5 Ratings 5.5 / 10 Sci-FiThri...
If your search for "5.5 / 10" was a typo and you actually want top-tier "10/10" recommendations, experts and readers on Reddit and Goodreads suggest: by Blake Crouch : A high-stakes thriller involving
If you are looking for other sci-fi thrillers frequently cited in "Top 10" lists that hover around a mid-5/10 rating, consider these: Cassie is on the run to save her
: Earth is devastated by four waves of increasingly deadly attacks. Cassie is on the run to save her younger brother while preparing for the inevitable "Fifth Wave".
by Van Ris : A newer sci-fi thriller available on Amazon Kindle .