5.5 / 10 Sci-fithri... 【Free Access】

: The survivors face the "Others" in a test of the human spirit as the situation becomes even more dire.

This young adult post-apocalyptic trilogy follows Cassie Sullivan as she attempts to survive a multi-stage alien invasion. 5.5 / 10 Sci-FiThri...

: 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 survivors face the "Others" in a

by Blake Crouch : A high-stakes thriller involving parallel universes. Other Sci-Fi Thrillers with ~5

: 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 "5.5 / 10" was a typo and you actually want top-tier "10/10" recommendations, experts and readers on Reddit and Goodreads suggest:

: 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