- Volcano of FireBlair Polly, D.M. Potter
- Volcano!Meryl Siegman
- Voyage Across the GalaxyDane Barrett
- Voyage of TerrorJ.H. Brennan
- Voyage of the MoonstoneJoe Dever
- Voyage with ColumbusSeymour Reit
- War in AfghanistanMatt Doeden
- War of the RobotsTrevor Baxendale
- War of the WizardsIan Page, Joe Dever
- War with the Evil Power MasterR.A. Montgomery
- War with the Mutant Spider AntsEdward Packard
- Warbringer!Jamie Thomson, Mark Smith
- WarhornDana Kramer
- Warioland 4Craig Wessel
- Warrior PrincessSteve Barlow, Steve Skidmore
- Warrior Women of WeymouthBarbara Siegel, Scott Siegel
- WastelandH.L. Truslove
- Watch Out for Room 13Laban Carrick Hill
- Water Around, Earth Below!Richard Brightfield
- Web of DeceptionColin Brake
- Weekend at Poison LakeR.L. Stine
- Welcome to Horror HospitalLaban Carrick Hill
- Welcome to the Wicked Wax MuseumR.L. Stine
- Werewolf HunterSteve Barlow, Steve Skidmore
- Westward ExpansionAllison Lassieur
- What Dreams May ComeTroy Anthony Schermer
- What if... All the Boys Wanted YouLiz Ruckdeschel, Sara James
- What if... All the Rumors Were TrueLiz Ruckdeschel, Sara James
- What if... All Your Dreams Came TrueLiz Ruckdeschel, Sara James
- What if... All Your Friends Turned on YouLiz Ruckdeschel, Sara James
- What if... Everyone Knew Your NameLiz Ruckdeschel, Sara James
- What if... Everyone Was Doing ItLiz Ruckdeschel, Sara James
- What if... You Broke All the RulesLiz Ruckdeschel, Sara James
- What If... Your Past Came Back to Haunt YouLiz Ruckdeschel, Sara James
- What Lies BeneathChris Scaffidi
- What Lies Beneath the Clock TowerMargaret Killjoy
- What Money Can't BuyKristi Russell
- Whatever You WantLaurence Hayes, Rachel Timms
- Where in America's Past Is Carmen Sandiego?John Peel
- Where in Europe Is Carmen Sandiego?John Peel
- Where in Space is Carmen Sandiego?John Peel
- Where in the U.S.A. is Carmen Sandiego?John Peel
- Where in the USA Is Carmen Sandiego?John Peel
- Where in the World Is Carmen Sandiego?John Abbott Nez, John Peel
- Where in Time Is Carmen Sandiego?John Peel
- Where in Time Is Carmen Sandiego? Part IIJohn Peel
- Where Shadows Fail: A Shadow Thief AdventureDavid Lowrie
- Where the Shadows StalkIan and Clive Bailey
- White WarlordJoe Dever
- Who Are You?Edward Packard
- Who Kidnapped Princess Saralinda?H. William Stine, Megan Stine
- Who Killed Harlowe Thrombey?Edward Packard
- WickieDer König
- Wild Horse CountryLynn Sonberg
- Wild Tangled HeartsC.M. Seabrook
- Wild West RiderStephen Overholser
- William Shakespeare Punches a Friggin' Shark And/Or Other StoriesRyan North
- Win the Intergalactic TournamentRabea Hadi
- Win the Tournament: Part IRabea Hadi
- Win the Tournament: Part IIRabea Hadi