- Siglo XXII: El Futuro del Espacio
- SILA le raccommodeur de banquise
- Silent Spring
- Silly Animal Science
- Silly Body Science
- Silly Food Science
- Silly Space Science
- Simple Machines
- Simple Machines!
- Simply Einstein
- Sink or Swim: Exploring Schools of Fish (The Magic School Bus Rides Again #1)
- Sistemas solares: Planetas, estrellas y órbitas
- Skip Counting My Way to School
- Skulls and Skeletons!
- Sky Patterns
- Sky Spies
- Skyscrapers
- Skyscrapers!
- Slanger - et kæledyr, Grøn Fagklub
- Sleepy Snoozy Cozy Coozy: A Book of Animal Beds
- Slime Crimes
- Slime Sleepers
- Slime Travelers
- Slimy Spawn and Other Gruesome Life Cycles
- Slow Down
- Smallpox
- Smart Kids: Rainforest
- Smart Kids: Space
- Smelly Farts and Other Body Horrors
- Smelly Stuff
- Smile for Soup
- Snails
- Snakes Shed Their Skin
- Snakes Smell with Their Tongues!
- Snakes! (Animal Planet Chapter Books #3)
- Snakes: For tablet devices
- Snakes (Scholastic Reader, Level 2)
- Snoozefest
- Snow and Ice
- Snow Day (Enhanced Edition)
- Snowflake, Snowflake
- Snowflakes Magnified
- Snuggle Up, ZooBorns!
- So Imagine Me
- Sofies schönster Pferdesommer
- Soil
- Solar Power: Energy for the Future
- Solar Story
- Solar System. The Children's interactive Book
- Solids
- Solids, Liquids, and Gases
- Solids, Liquids, Guess Who's Got Gas?
- Solving the Puzzle Under the Sea
- Some Feet Smell: A 15-Minute Book About Human and Animal Feet
- Some Feet Smell: A 15-Minute Book About Human and Animal Feet, Educational Version
- Some Questions About Trees
- Something Wonderful
- Sonidos en la sabana
- Sonoran Desert Research Journal
- Sophia Bird Loves Clouds
- SOS: Stories of Survival
- Sound Addition
- Sound Waves and Communication
- Sounds All Around
- Sounds of the Savanna
- Sounds of the Sea
- Space
- Space - where are we?
- Space Atlas
- Space Colonists
- Space Entrepreneurs
- Space Exploration
- Space Explorers
- Space for Smart Kids
- Space Jokes
- Space Tourists
- Space Workers
- Space: Planets, Moons, Stars, and More!
- Space: The Whole Whizz-Bang Story
- Spaceship Earth
- Spaghetti Hunters
- SparkofPhoenix: Neues Minecraft-Wissen zum Dorf-Update
- Sparrow and the Trees, The
- Spaß mit Zahlen
- Spectacular Science for 7 Year Olds
- Spectacular Science for 8 Year Olds
- Spectacular Science for Smart Kids
- Spectacular Spots
- Spectacular Spring
- Spectacular! Caves
- Spider
- Spiders Weave Webs
- Spiders, Snakes, Bees, and Bats
- Spiekeroog und der Mü-Mi-Club
- Spinning Cubes
- Spiraling Stair Steps
- Splish, Splash, ZooBorns!
- Spotlight on Argentina
- Spotlight on Brazil
- Spotlight on Egypt
- Spotlight on France
- Spotlight on Indonesia
- Spotlight on Italy
- Spotlight on Japan
- Spotlight on Kenya
- Spotlight on Russia
- Spotlight on South Africa
- Spotlight on South Korea
- Spotlight on the Philippines
- Spring After Spring
- Spring Blossoms
- Spring Walk
- Square A Learning Shapes Book
- Stadiums
- Stag Beetle
- Star Finder!
- Star Stable 2: Sjælerytterne: Legenden vågner
- Star Stable: Sjælerytterne (3) - Mørket truer
- Star Stuff
- Stargazing
- Starlight Tonite
- Starry Messenger
- Stars (A True Book)
- Stars! Stars! Stars!
- Stars, Galaxies, and the Milky Way
- Starstruck