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Sci-fi books with peril

Sci-fi books flagged for peril, ranked by reader rating — so you can decide what to read or avoid. Every title carries a content rating and age recommendation.

8 books
Newest firstMost popular
God's Junk Drawer
God's Junk Drawer
Peter Clines
PG-13Adult 18+
Ascendant (Toy Starship, Book Three)
Ascendant (Toy Starship, Book Three)
M. R. Forbes
PG-13Adult 18+
The Cave of Time (Choose Your Own Adventure Retro Editions)
The Cave of Time (Choose Your Own Adventure Retro Editions)
Edward Packard
PGMiddle Grade 8-12
The Width of the World
The Width of the World
David Baldacci
PG-13YA 12-17
The Secret of the Hidden Scrolls
The Secret of the Hidden Scrolls
M. J. Thomas
PGMiddle Grade 8-12
Race to the South Pole (Ranger in Time #4) (4)
Race to the South Pole (Ranger in Time #4) (4)
Kate Messner
PGMiddle Grade 8-12
Grim Tuesday
Grim Tuesday
Garth Nix
PGMiddle Grade 8-12
RESOLUTION
RESOLUTION
Veronica Scott
RAdult 18+