- Saber-Toothed Cat
- Sabertooths and the Ice Age
- Safari Stanley's Reptile Discovery
- Safari, So Good! All About African Wildlife
- Sanitation Workers Then and Now
- Sarah and the Big Wave
- Sarai and the Around the World Fair
- Saturn Could Sail
- Saurus Street 1: Tyrannosaurus in the Veggie Patch
- Saurus Street 2: A Pterodactyl Stole My Homework
- Saurus Street 3: The Very Naughty Velociraptor
- Saurus Street 4: An Allosaurus Ate My Uncle
- Savannas and Grasslands
- Save Energy, Bert and Ernie!
- Saving American Beach
- Saving Culture from Disaster: Read-along ebook
- Saving Migratory Birds
- Saving the Arctic
- Say Hello to the Dinosaurs
- Scary Plants!
- Scholars of Science
- Magic School Bus: Ocean Adventure (Scholastic Reader, Level 2)
- Life on Mars (Scholastic Reader, Level 2)
- Nic Bishop: Frogs (Scholastic Reader, Level 2)
- Schrödinger's Cat
- Sci-fi Shapes
- Science Adventure Stories: Agents of N.R.G.
- Science Adventure Stories: Escape from Atomic Island
- Science Adventure Stories: Space Quest
- Science Adventure Stories: The Body Odyssey
- Science Around the House
- Science Around the World
- Science Art and Drawing Games for Kids
- Science Arts
- Science for Kids: Philae
- Science in a Jar
- Science Is Fun (Common Core Edition) : 2nd Grade Activity Book Series
- Science Notes
- Science Safety Rules
- Science Study Guide for Preparing For My First Cockatiel
- Science Stunts
- Science Tools
- Science Year by Year
- Science!
- Science: Sorted! Robots, Chips and Techno Stuff
- Scientists Use Tools
- Scientists Who Dared to Be Different
- Sea Creatures
- Sea Creatures: Solving Equations and Inequalities
- Sea Lions in the Parking Lot
- Sea Monsters
- Sea Slime: It’s Eeuwy, Gooey and Under the Sea
- Seagulls Soar
- Seal on the Loose
- Seal on the Loose (Readaloud)
- Searching for Extraterrestrials
- Seashells
- Seashore
- Seaside Treasures
- Seasons (Be an Expert!)
- Seasons and the Sun
- Seasons Of The Tundra Biome
- Sebastian in der Mühle
- Sebastians dyrebibliotek: elefant
- Sebastians dyrebibliotek: Giraf
- Sebastians dyrebibliotek: Isbjørn
- Sebastians dyrebibliotek: Løve
- Sebastians dyrebibliotek: næsehorn
- Sebastians dyrebibliotek: Panda
- Sebastians dyrebibliotek: Tiger
- Sebastians store quiz om dyr
- Sebastians store quiz om dyr 2
- Secos y contentos
- Secret Superhero: The Lost World Circus Book 3
- Secos y contentos
- Secret Superhero: The Lost World Circus Book 3
- Secrets of the Garden
- Secrets of the Seasons: Orbiting the Sun in Our Backyard
- Seeds
- Seeds Move!
- Seeds We Eat
- Seeing More Stars
- Seikkailuja saloilla ja vesillä
- Sensory Play for Toddlers and Preschoolers
- Sequoia
- Serengeti Research Journal
- Seres vivos y no vivos: Un libro de comparación y contraste
- Seven Wonders of the Milky Way
- Seven Wonders of the Solar System
- Seymour Simons Animal ABCs
- Seymour Simons Colors in Nature
- Shape Me a Rhyme
- Shaping Materials in My Makerspace
- Shaping Our Environment
- Sharks
- Sharks and Dolphins: A Compare and Contrast Book
- Sharks and Other Sea Creatures
- Sharks Can't Smile!
- Sharks! (Animal Planet Chapter Books #1)
- Sharks: Chompers of the Sea
- She Caught the Light
- Shining the Light
- Shipwreck Detectives
- Shipwreck Reefs
- Shopping at the Farm Shop
- Showdown: Animal Defenses
- Showdown: The Fight for Space
- Si una momia pudiera hablar…
- Siempre crece: La fruta
- Siempre crece: La piel