- Wabi
- Wagon Trail
- Waiting for the Magic
- Waldgeschichten
- Walking the Dog
- Wally, the walrus - Morso, le morse
- Walter
- Wander
- Wannabe Farms
- Wanted . . . Mud Blossom
- Wanted: a Forever Home
- War of the Malkin
- War of the Realms
- WARRIOR CATS 7. La profezia di StellaBlu
- WARRIOR CATS. Alba
- WARRIOR CATS. Mezzanotte
- WARRIOR CATS. Prima luna
- 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 Super Edition: Crowfeather's Trial
- 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: Squirrelflight's Hope
- Warriors Super Edition: Tigerheart's Shadow
- 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: Dawn of the Clans #6: Path of Stars
- Warriors: Goosefeather's Curse
- Warriors: Legends of the Clans
- Warriors: Mapleshade's Vengeance
- Warriors: Path of a Warrior
- Warriors: Ravenpaw's Farewell
- 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: Winds of Change
- Wash your hands!
- Wasserman
- Watch Hollow
- Watch Hollow: The Alchemist's Shadow
- Watchdog
- Wavesong
- We Can't All Be Rattlesnakes
- We Could Be Heroes
- We Love Underpants! Three Pants-tastic Books in One!
- We've Got Talent
- Webster
- Wedgie & Gizmo
- Wedgie & Gizmo vs. the Great Outdoors
- Wedgie & Gizmo vs. the Toof
- Welcome to Monster Isle
- Welcome to the Realm of Rai
- Werewolf versus Dragon
- West
- West & Windy
- Whalesong (The Whalesong Trilogy #1)
- What about Daisy?
- What About Moose?
- What about Daisy?
- What About Moose?
- What Comes Next
- What if Hens Were Huge?
- What Is Life Really About?
- What Kind of Bird . . . ?
- What the Cat Knows
- What the Fox Learnt
- What Will Snarl Fig Be? / Nutsy and Her Tree
- When a Meerkat Moves to the City
- When Barkk Barks, Listen!
- When Buffalo Ran
- When Eagles Hunt
- When Friendship Followed Me Home
- When Life Gives You O.J.
- When My Heart Joins the Thousand
- When Worlds Collide
- Where Did All the Food Go
- Where Do You Go, Birdy Jones?
- Where Is Chester?
- Where Is Laurens Cat, Chaulky?
- Where Is Your Nose, Nibbly?
- Where Shadows Rise
- Where the Red Fern Grows
- Where the World Ends
- Where's My Colour?
- Where's Ray?
- Where's the Dinosaur?
- Where's the Head?
- Which Way Is My Home?
- Whirlwind
- Whispering Hope
- White Cloud Station Box Set: Books 1-4
- White Cloud Station Box Set: Books 5-7
- White Fang (Illustrated + FREE audiobook download link)