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Sci-fi books with forbidden relationship

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

13 books
Newest firstMost popular
The Lily and the Crown
The Lily and the Crown
Roslyn Sinclair
RAdult 18+
The Exquisite Torment of Loving Your Enemy
The Exquisite Torment of Loving Your Enemy
BRIGITTE. KNIGHTLEY
RAdult 18+
Ignore All Previous Instructions
Ignore All Previous Instructions
Ada Hoffmann
RAdult 18+
Seek the Traitor's Son
Seek the Traitor's Son
Veronica Roth
RAdult 18+
Storm Breaker: An Epic Enemies-to-More Slow-Burn Dystopian Romantasy
Storm Breaker: An Epic Enemies-to-More Slow-Burn Dystopian Romantasy
Nisha J. Tuli
PG-13YA 12-17
The Spark Within
The Spark Within
Samantha Christopher
PG-13YA 12-17
Siege and Storm
Siege and Storm
Leigh Bardugo
PG-13YA 12-17
Timekeeper
Timekeeper
Tara Sim
PG-13YA 12-17
Sacred Fire
Sacred Fire
Tanai Walker
RAdult 18+
Of Neptune
Of Neptune
Anna Banks
PG-13YA 12-17
Matched
Matched
Ally Condie
PGYA 12-17
The Silver Crown
The Silver Crown
Mathilde Madden
RAdult 18+
Guarded by the Clanker: Monster Security Agency
Guarded by the Clanker: Monster Security Agency
Layla Fae
RAdult 18+