- Waggles at Bat
- Wait, Rest, Pause
- Wait, Rest, Pause (Enhanced Edition)
- Waiting for Ice
- Waiting for the Night
- Walking Sticks and Other Amazing Camouflage
- Wally, the walrus - Morso, le morse
- Walruses: For Kids - Amazing Animal Books for Young Readers
- Wandering Woolly
- Wanted! Criminals of the Animal Kingdom
- Wanted! The Hundred-Mile-An-Hour Dog
- Warrior Dog (Young Readers Edition)
- Was Kinder wissen wollen – Was wäscht der Waschbär?
- Wasps For Kids
- Watch Out!
- Watching Jodi Grow
- Water Frog Polliwogs
- Water World
- Water-Walking, Sidewinding, and Other Remarkable Reptile Adaptations
- Waterfowl for Kids
- We Feel Happy
- We Like Animals: Early Learning to Read Books
- We Like Shells Back On The Hunt
- We Love the Ocean: Early Learning to Read Books
- We Travel So Far
- We Wear Pants
- We're All Wonders
- Web-Spinning Spiders
- Web-Spinning Spiders (Enhanced Edition)
- Wee Peter Pug
- Weird & Wild Animal Facts
- Weird Bugs
- Weird Creatures of the World
- Weirdo
- Welcome Home: Where Nature's Most Creative Creatures Dwell
- Welcome to the World, Zooborns!
- Welcome to the Zoo. Professor Stormybrain and Friends
- Well, Will You Look at That? Ears
- Well, Will You Look at That? Eyes
- Werewolves
- Wereworld: Shadow of the Hawk (Book 3)
- West Coast Wild at Low Tide
- Whale Boy
- Whale in a Fishbowl
- Whale Sharks
- Whale Sharks in Action
- Whales
- Whales and Dolphins of Canada
- Whales For Kids
- Whales: A Kids Fun Facts Book
- Whales: Giants of the Deep
- Whales: Giants of the Deep: Educational Version
- Whales: The Gentle Giants
- What Am I? Where Am I?
- What Animal Am I? Guess the Animal Kids Book
- What Animals Do You Have Living In Your Backyard?
- What Can Live in a Desert?
- What Can Live in a Desert? (Enhanced Edition)
- What Can Live in a Forest?
- What Can Live in a Forest? (Enhanced Edition)
- What Can Live in a Grassland?
- What Can Live in a Grassland? (Enhanced Edition)
- What Can Live in a Lake?
- What Can Live in a Lake? (Enhanced Edition)
- What Can Live in the Mountains?
- What Can Live in the Mountains? (Enhanced Edition)
- What Can Live in the Ocean?
- What Can Live in the Ocean? (Enhanced Edition)
- What Cat Is That? All About Cats
- What Do Animals Do All Day?
- What Do Animals Do in Spring?
- What Do Animals Do in Summer?
- What Do Animals Do in Winter?
- What Do Bees Do in Summer?
- What Do Birds Eat?
- What Do I See When I Stop To Look?
- What Do Insects Eat?
- What Do They Do with All That Poo?
- What Do You See? Alphabet
- What Does Spider Poop Look Like?
- What does the camel say?
- What Dog is THAT?
- What Eats That?
- What If Gravity Broke?
- What If...
- What is an insect?
- What Is Baby Gorilla Doing?
- What Is Hatching?
- What is this ?
- What Makes a Monster?
- What Makes: A Bird a Bird
- What Makes: A Fish a Fish
- What Makes: A Mammal a Mammal