- War on Giffort Street
- War Orphan -- A Tomás Araya Story
- War Ostern nicht erst gestern?
- War Storm
- War With Black Iris
- WaR: Wizards and Robots
- Warcross (Band 1) - Das Spiel ist eröffnet
- Warcross (Band 2) - Neue Regeln, neues Spiel
- Ward 13
- Ward of the Sun King
- Ward Witches: The Complete Series
- Warden of Time
- Warden's Reign
- Wardens of Eternity
- Wardens of Eternity Educator's Guide
- Wardraft
- Wardragon
- Warehouse
- Warehouse Rumble
- Warm-Hearted
- Warmaidens
- Warme winternacht
- Warmth
- Warmth of Winter
- Warning!!
- Warning: Poetic Content
- WARP (Band 1) - Der Quantenzauberer
- WARP (Band 2) - Der Klunkerfischer
- WARP (Band 3) - Die Katzenhexe
- WARP - Die komplette Trilogie
- Warp Giants
- WARP: Mestarin kosto
- Warped
- Warped & Wired
- Warranted Motion
- Warren the 13th and The All-Seeing Eye
- Warren the 13th and the Thirteen-Year Curse
- Warren the 13th and the Whispering Woods
- Warrior (French)
- Warrior Angel
- Warrior Bronze (Gods and Warriors Book 5)
- Warrior cats - Crepuscolo
- Warrior cats - Sotto le stelle
- WARRIOR CATS 7. La profezia di StellaBlu
- WARRIOR CATS. Alba
- WARRIOR CATS. Mezzanotte
- WARRIOR CATS. Prima luna
- Warrior Mage
- Warrior of the Egyptian Kingdom
- Warrior of the Wild
- Warrior of Wyster
- Warrior Princess
- Warrior Princess #2: Destiny's Path
- Warrior Princess #3: The Emerald Flame
- Warrior's Christmas
- Warrior's Oath (Sacred Promises ~ Book 2)
- Warriors
- Warriors #1: Into the Wild
- Warriors #2: Fire and Ice
- Warriors #3: Forest of Secrets
- Warriors #4: Rising Storm
- Warriors #5: A Dangerous Path
- Warriors #6: The Darkest Hour
- Warriors 3-Book Collection with Bonus Material
- Warriors 6-Book Collection with Bonus Book: Enter the Clans
- Warriors Manga: Graystripe's Adventure: 3 Full-Color Warriors Manga Books in 1
- Warriors Manga: Ravenpaw's Path: 3 Full-Color Warriors Manga Books in 1
- Warriors Manga: SkyClan and the Stranger: 3 Full-Color Warriors Manga Books in 1
- Warriors of Alavna
- Warriors of Camlann
- Warriors of Change: Breaking Free from School
- Warriors of Change:Sent(enced) to School
- Warriors of Ethandun
- Warriors of Multus
- Warriors of the Garden
- Warriors of Wing and Flame
- Warriors Super Edition: Bluestar's Prophecy
- Warriors Super Edition: Bramblestar's Storm
- Warriors Super Edition: Crookedstar's Promise
- Warriors Super Edition: Crowfeather's Trial
- Warriors Super Edition: Firestar's Quest
- Warriors Super Edition: Graystripe's Vow
- Warriors Super Edition: Hawkwing's Journey
- Warriors Super Edition: Leopardstar's Honor
- Warriors Super Edition: Moth Flight's Vision
- Warriors Super Edition: SkyClan's Destiny
- Warriors Super Edition: Squirrelflight's Hope
- Warriors Super Edition: Tallstar's Revenge
- Warriors Super Edition: Tigerheart's Shadow
- Warriors Super Edition: Yellowfang's Secret
- Warriors: A Shadow in RiverClan
- Warriors: A Vision of Shadows #1: The Apprentice's Quest
- Warriors: A Vision of Shadows #2: Thunder and Shadow
- Warriors: A Vision of Shadows #3: Shattered Sky
- Warriors: A Vision of Shadows #4: Darkest Night
- Warriors: A Vision of Shadows #5: River of Fire
- Warriors: A Vision of Shadows #6: The Raging Storm
- Warriors: A Warrior's Choice
- Warriors: A Warrior's Spirit
- Warriors: Battles of the Clans
- Warriors: A Warrior's Spirit
- Warriors: Battles of the Clans
- Warriors: Cats of the Clans
- Warriors: Cloudstar's Journey
- Warriors: Code of the Clans
- Warriors: Dawn of the Clans #1: The Sun Trail
- Warriors: Dawn of the Clans #2: Thunder Rising
- Warriors: Dawn of the Clans #3: The First Battle
- Warriors: Dawn of the Clans #4: The Blazing Star
- Warriors: Dawn of the Clans #5: A Forest Divided
- Warriors: Dawn of the Clans #6: Path of Stars
- Warriors: Dawn of the Clans 3-Book Collection
- Warriors: Dovewing's Silence
- Warriors: Enter the Clans
- Warriors: Goosefeather's Curse
- Warriors: Hollyleaf's Story
- Warriors: Leafpool's Wish
- Warriors: Legends of the Clans
- Warriors: Mapleshade's Vengeance
- Warriors: Mistystar's Omen
- Warriors: Omen of the Stars #1: The Fourth Apprentice
- Warriors: Omen of the Stars #2: Fading Echoes
- Warriors: Omen of the Stars #3: Night Whispers
- Warriors: Omen of the Stars #4: Sign of the Moon
- Warriors: Omen of the Stars #5: The Forgotten Warrior
- Warriors: Omen of the Stars #6: The Last Hope
- Warriors: Omen of the Stars #6: The Last Hope Enhanced Edition (Enhanced Edition)
- Warriors: Path of a Warrior
- Warriors: Power of Three #1: The Sight
- Warriors: Power of Three #2: Dark River
- Warriors: Power of Three #3: Outcast
- Warriors: Power of Three #4: Eclipse
- Warriors: Power of Three #5: Long Shadows
- Warriors: Power of Three #6: Sunrise
- Warriors: Ravenpaw's Farewell
- Warriors: Secrets of the Clans
- Warriors: The Broken Code #1: Lost Stars
- Warriors: The Broken Code #2: The Silent Thaw
- Warriors: The Broken Code #3: Veil of Shadows
- Warriors: The Broken Code #4: Darkness Within
- Warriors: The Broken Code #5: The Place of No Stars
- Warriors: The Broken Code #6: A Light in the Mist
- Warriors: The Ultimate Guide
- Warriors: Tigerclaw's Fury
- Warriors: Winds of Change
- Warrior’s Chaos
- Warrior’s Curse
- Warrior’s Destiny
- Warrior’s Prophecy