- Rescue the PrincessPaul Turner
- Resisting British RuleElizabeth Raum
- Restless Heart of EvilMarc J. Wilson
- Return of the JediChristopher Golden
- Return of the NinjaJay Leibold
- Return of the UndeadAllen Sharp
- Return of the WandererDavid Honigmann, John Butterfield, Philip Parker
- Return of the White WitchRob Bell
- Return to AtlantisR.A. Montgomery
- Return to BrookmereRose Estes
- Return to DeathwaterCurtis Norris
- Return to Firetop MountainIan Livingstone
- Return to MinecraftConnor Hoover
- Return to Terror TowerR.L. Stine
- Return to the Carnival of HorrorsR.L. Stine
- Return to the Cave of TimeEdward Packard
- Return to the Tavern on Gallows HillJames A. Hirons
- Revenge of the Body SqueezersR.L. Stine
- Revenge of the Falcon KnightScott Siegel
- Revenge of the Rainbow DragonsRose Estes
- Revenge of the Russian GhostJay Leibold
- Revenge of the VampireKeith Martin
- Revolt of the DwarvesRose Estes
- Revolt on MajipoorMatthew J. Costello
- Revolution in RussiaRichard Brightfield
- Riddle of the GriffonSusan Lawson
- Riddle of the RunawayHeather Fisher
- Ride the Blue BazooLaurie B. Clifford
- Rider of the Black Sun: A Fantasy GamebookSwen Harder
- RIM, The Rebel RobotNora Logan
- Ring of the Ruby DragonJeannie Black
- Rise of the SuperheroRabea Hadi
- Risk Your Life ArcadeKen McMurtry
- Risky RhythmsDanith Clausen
- River of DreadDane Barrett
- River of No ReturnVince Lahey
- Road to WrestleManiaTracey West
- Robbers and RobotsMike Carr
- Robert Louis Stevenson's Treasure IslandBlake Hoena
- Robin HamsterSteve Barlow, Steve Skidmore
- Robin HoodSteve Barlow, Steve Skidmore
- Robot CommandoSteve Jackson
- Robot vs. DinosaurConnor Hoover
- Rock and Roll MysteryJim Wallace
- Rogue CityTracey West
- Roller StarEdward Packard
- Roman QuestHerbie Brennan
- Romeo and/or JulietRyan North
- Ronin 47Jonathan Green
- Ruby the Red FairyDaisy Meadows
- Ruins of RangarMike Carr
- RumpelstiltskinEric Braun
- Run Away!Mary Danby
- Runaway SpaceshipSusan Saunders
- Rune WarJoe Dever
- Runesword!Rhondi Vilott
- Russia: What is the Golden Horde?Edward Packard
- Russian GoldSteve Barlow
- SabotageJay Leibold
- Sabotage in the Sundered SkyDanny McAleese, David Kristoph