- R.E.P. John Lennon
- Rabbit & Robot
- Raccolta di campioni
- Race
- Race Against Time
- Race Through Space II: The Wave of Time
- Race Through Space: Event Horizon
- Rachel and the Dinosaurs
- Rad and the Circus Gambit
- Rad and the quest for Geminus
- Radiation Face
- Rae and Essa's Space Adventures
- Ragabout Che
- Rage
- Rage - Book One
- Ragnarok
- Railhead
- Rain of the Slimax
- Ralph 124C 41+
- Ralph Fozbek and the Amazing Black Hole Patrol
- Ramble
- Rampage (The Singular Menace, 3)
- Rana et le dauphin
- Randoms
- Randor's Moon
- Ranger
- Rangers of Unity
- Rannaï - Tome II
- Rat Runners
- Rats, Bats and Vats
- Rauch und Asche
- Rave-n-Rant
- Raven Sharpe
- Ravenwild
- Rayessa and the Space Pirates
- Reaper
- Reaper: Aftermath
- Rebel Betrayed
- Rebel Bound
- Rebel Girl of Mars
- Rebel Return
- Rebel Storm Rider
- Rebel, Pawn, King (Of Crowns and Glory—Book 4)
- Rebel, Pawn, King (Of Crowns and Glory—Book 4)
- Rebel, The Change #3
- Rebelión (Los 100 4)
- Voyagers 3 - Rebelión Omega
- Rebell
- Rebels
- Rebels: City of Indra
- Rebelwing
- Reborn II
- Rebuild
- Recinto Gris
- RECKLESS
- Reckoning
- Reckoning (The Variant Series, #4)
- Reclaim the Stars
- Reclaimed (Evolution Series Book 6)
- Reclaiming Shilo Snow
- Reconnaissance
- Reconstrúyeme
- Recruits (Recruits)
- Red Alliance
- Red Genesis
- Red Moon Rising
- Red One
- Red Phoenix vs. The Arena of Stars
- Red Queen 1 - Rød dronning
- Red Queen 2 - Sværd af glas
- Red Queen 3 - Kongens lænker
- Red Rising - Livre 2 - Golden Son
- Red Rising - Livre 3 - Morning Star
- Red Rising 1 - Rød opstand
- Red Rising 2 - Gylden søn
- Red Rising 3 - Morgenstjernen
- Red Star: The Hunter Trials
- Red's Planet (Red's Planet Book 1)
- ReDawn (Skyward Flight: Novella 2)
- Redeemed
- Redefined Love Affair: Web of Hearts and Souls #10 (See Book 4)
- Redemption Prep
- Redemption Song
- Redenzione la stirpe reale
- Reduced to Dust
- Redux (The Variant Series, #3)
- Redworld
- Reflection
- Reflections
- Refraction
- Refugio 19
- Regeneration
- Regenesis
- Regina Shen: Resilience
- Regnum Terra
- Regret
- Relativity
- Relativity (Proximity #2)
- Released
- Reluctant
- Remade
- Remedium
- Remember
- Remember the Halocracy
- Remember Tomorrow
- Remember Yesterday
- Remeon's Destiny
- Remeon's Quest: Earth Year 1930
- Remnant: A Post-Pandemic Dystopian Tale
- Rencontre Du 3° Type Au Moyen-âge
- Renegade
- Renegade Flight
- Renegades
- Renown
- Replaced Parts
- Replica
- REPLICA
- Repository
- Resilient
- Resistant
- Resonance
- Restore Me
- Restricted Access
- Resurgence
- Resurrection Encounter
- Retorno a ayer
- Retorno a cero (Los nuevos legados de Lorien 3)