- Bird Talk
- Birdology
- Birds
- Birds for Kids
- Birds from Head to Tail
- Birds Make Nests
- Birds of Prey
- Birthday on Mars!
- Black Bear
- Black Hole Chasers
- Blast Off to Space Camp
- Blood and Blood Vessels: The Rivers Inside You
- Bloom Boom!
- Blossoms, Bees, and Seeds
- Blue Crab Comeback
- Blue Crab Comeback: Read-along ebook
- Blue Dog
- Blue Planet II
- Blue Star, New Star
- Bob
- Bob Explains How the Covid-19 Vaccine Works
- Bocas de animales
- Bodies: The Whole Blood-Pumping Story
- Bok's Giant Leap
- Bones
- Bones and Biscuits
- Bones: Skeletons and How They Work
- Boo the Bee
- Book Art
- Book Art
- Book of Animals
- Book of Curious Birds
- Book of Numbers
- Boom! Bellow! Bleat!
- Born in the Wild
- Born to Run! (Dr. Seuss/Cat in the Hat)
- Botanical Illustration: Read-along ebook
- Botany: Plants, Cells & Photosynthesis
- Bots! Robotics Engineering
- Bounce! Bounce! Bunny
- Boy, Were We Wrong About the Human Body!
- Boy, Were We Wrong About the Weather!
- Brain
- Brain and Behavior
- Brain Power
- Brain Power: Neurology for Kids!
- Brain-fizzing Facts
- Branches of Hope
- Brauni Braunbärs Abenteuer
- Bridges
- Bridges and Tunnels
- Bringing Back the Wolves
- Brrr!
- Bruno y la luz
- Bruno y los eclipses
- Budding Detective
- Buddy and His Colorado Adventure
- Buen trabajo: Herramientas sencillas
- Buen trabajo: Nuestra Tierra
- Bug Builders
- Bugs
- Bugs Don't Hug
- Bugs for Breakfast
- Bugs from Head to Tail
- BUGS THAT LOVE! The Amazing Western Conifer Seed Bug (& Shield Bugs Too!)
- Build It: Skyscrapers
- Building Roads
- Building Roads (Readaloud)
- Building Sandcastles
- Building Site Zoo
- Bumpus Jumpus Dinosaurumpus
- Buried Sunlight: How Fossil Fuels Have Changed the Earth
- Burn
- Burn: Michael Faraday's Candle
- Bussemænd, Grøn Fagklub
- Busy Chickens
- Busy Pandas
- Butterflies and Moths
- Butterflies Are Pretty ... Gross!
- Butterflies in Room 6
- Butterfly Cycle Picture Book
- Buzz Aldrin: Man in Space
- Buzzkill
- By the Lake
- Byte-Sized World of Technology (Fact Attack #2)