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 parallel universes. 5.5 / 10 Sci-FiThri...

: 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". If your search for "5

This young adult post-apocalyptic trilogy follows Cassie Sullivan as she attempts to survive a multi-stage alien invasion. Other Sci-Fi Thrillers with ~5

: Available at Amazon , this collection includes mid-range rated cult films like The Monolith Monsters and The Mole People . Recommended "10/10" Sci-Fi Thrillers

: 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

The phrase most likely refers to the 5th Wave book series by Rick Yancey or its 2016 film adaptation , which holds a 5.2/10 rating on IMDb . The series is a prominent sci-fi thriller ("Sci-FiThri") often categorized in "Top 10" lists. Guide to The 5th Wave Series