- 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
- Sabotage!Shane Breaux
- Sail with PiratesJim Gasperini
- SamuraiSteve Barlow, Steve Skidmore
- Sand CastleR.A. Montgomery
- Sands of BloodSteve Barlow, Steve Skidmore
- Save the Empire!Steve Barlow
- Save the SeasonLisa M. Bolt Simons
- Save the Three PigsKevin Scally
- Scarlet SorcererJoe Dever
- Scary Birthday to You!R.L. Stine
- Scene of the CrimeDoug Wilhelm
- Sceptre of PowerMorris Simon
- Scorpion SwampSteve Jackson
- Scotland Yard DetectiveSeymour Reit
- Scoundrel's LuckTroy Denning
- Scream of the Evil GenieR.L. Stine
- Search for DinosaursDavid Bischoff
- Search for Smugglers!Mary Danby
- Search for the DoctorDavid Martin
- Search for the Mountain GorillasJim Wallace
- Search for the NileRobert W. Walker
- Search for the PegasusRoger E. Moore
- Search for Treasure!Mary Danby
- Search the Amazon!Doug Wilhelm