- Safari- Animals Of the Serengeti
- Safon Uwch Daearyddiaeth Meistroli'r Testun: Cylchredau Dwr a Charbon
- Safon Uwch Daearyddiaeth Meistroli'r Testun: Tirweddau Arfordirol
- Safon Uwch Daearyddiaeth Meistroli'r Testun: Tirweddau Rhewlifedig
- A-level Geography Topic Master: The Water and Carbon Cycles
- A-level Geography Topic Master: Glaciated Landscapes
- Salamander Facts For Kids 9-12
- Sally Ride : The First American Woman in Space - Biography Book for Kids Children's Biography Books
- Sally Ride: A Photobiography of America's Pioneering Woman in Space
- Salvaguardia del pianeta e nuovi stili di vita
- Salviamo il mare e gli oceani
- Sandy
- Sanotes, sanitos
- Sapiens A Graphic History, Volume 1
- Sapiens A Graphic History, Volume 2
- Saturn Could Sail
- Saturn: Planets in Our Solar System Children's Astronomy Edition
- Sauvons la mer et les océans !
- Save Our Stream
- Saving Culture from Disaster
- Saving Earth
- Saving Energy with Lil' G
- Say Hi to Eiffel! Places to Go in France - Geography for Kids Children's Explore the World Books
- Scary Snakes - Don't Get Bitten
- Scene of the Crime
- Schlappohr, ein irrer Vogel und andere Tiergeschichten
- Schmetterlinge
- Schätze der Heimat
- Science amusante
- Science Comics: Bats
- Science Comics: Cars
- Science Comics: Cats
- Science Comics: Coral Reefs
- Science Comics: Crows
- Science Comics: Dinosaurs
- Science Comics: Dogs
- Science Comics: Flying Machines
- Science Comics: Plagues
- Science Comics: Polar Bears
- Science Comics: Robots and Drones
- Science Comics: Rockets
- Science Comics: Rocks and Minerals
- Science Comics: Sharks
- Science Comics: Skyscrapers
- Science Comics: Solar System
- Science Comics: Spiders
- Science Comics: The Brain
- Science Comics: The Digestive System
- Science Comics: Trees
- Science Comics: Volcanoes
- Science Comics: Whales
- Science Comics: Whales
- Science Detectives
- Science Experiments and Amusements for Children
- Science Experiments for Kids
- Science Fair Projects For Dummies
- Science for Common Entrance: Biology
- Science for Kids First Edition Physics, Chemistry and Biology Quiz Book for Kids Children's Questi...
- Science for Kids Second Edition Anatomy and Nature Quiz Book for Kids Children's Questions & Answe...
- Science Home Learning Pack
- Science in a Jar
- Science in Motion
- Science is Magic
- Science Lab
- Science Magic Tricks
- Science of Cooking in the Kitchen Children's Science & Nature
- Science Quiz Book
- Science Quiz Book (Hindi)
- Science Research Experiments for Young People
- Science Stunts
- Science Superstars
- Science Workshop: 60 Creative Ideas for Budding Pioneers
- Science Year by Year
- Science You Can Eat
- Science: Sorted! Evolution, Nature and Stuff
- Science: Sorted! Robots, Chips and Techno Stuff
- Sciences for the IB MYP 1
- Sciences for the IB MYP 2
- Sciences for the IB MYP 3
- Sciences for the IB MYP 4&5: By Concept
- ScienceWerkz: Cells
- ScienceWerkz: Diversity of Animals and Plants
- ScienceWerkz: How Heat Travels
- Scientific Amusements
- Scientific Experiments for Kids! Chemistry for Kids Series - Children's Analytic Chemistry Books
- Scientific Investigation
- Scienze
- Scraps to Snacks: A Cookbook for Kids by Kids to Reduce, Reuse, and Re-Eat
- Scratchmanía
- Se suponía que esto era el futuro
- Sea Monsters
- Sea Otters
- Sea Turtle Facts For Kids 9-12
- Second Grade Geography Workbook: Tornadoes, Cyclones and Typhoons
- Second Grade Science
- Second Grade Science Quizzes
- Second Grade Science Workbook: Human Anatomy - Our Bodies
- Secrets of Mental Math - Advanced Calculation and Memorization All in your Head
- See the Animals of the World Sense & Sensation Books for Kids
- Seeds! Watching a Seed Grow Into a Plants, Botany for Kids - Children's Agriculture Books
- Seeing the Sky
- Seen: Rachel Carson
- Senses
- Senses, Nervous & Respiratory Systems
- Seven Wonders of the Milky Way
- Seven Wonders of the Solar System
- Severn and the Day She Silenced the World
- Seymour Simon's Extreme Earth Records
- Sgiliau Hanfodol ar gyfer TGAU Bioleg (Essential Skills for GCSE Biology: Welsh-language edition)
- Sgiliau Hanfodol ar gyfer TGAU Cemeg (Essential Skills for GCSE Chemistry: Welsh-language edition)
- Sgiliau Hanfodol ar gyfer TGAU Ffiseg (Essential Skills for GCSE Physics: Welsh-language edition)
- Essential Skills for GCSE Combined Science
- Shadows
- Shady Streams, Slippery Salamanders
- Shapes Are Everywhere: All Things Big and Small
- Shapes Are Everywhere: All Things Square Here and There
- Shapes Are Everywhere: All Things Triangle in Every Angle
- Shark Facts For Kids 9-12
- Shark-Opedia Name That Shark
- Sharks
- Sharks & Underwater Monsters
- Sharks and Other Deadly Ocean Creatures
- Sharks and Other Fish
- Shipwreck
- Should I Use Charts, Graphs or Drawings? : How to Accurately Display Data Scientific Method Investi...
- Should You Put Them In A Zoo? Animal Book for 8 Year Olds Children's Animal Books
- Show Me The Way to Spain - Geography Book 1st Grade Children's Explore the World Books
- Si saltamos a la vez
- Siate gentili con le mucche
- Sight
- Simon the Science Cat
- Simple Machines
- Simple Machines : The Way They Work - Physics Books for Kids Children's Physics Books
- Simple Science Projects
- Simplissime - Le livre des expériences scientifiques le plus facile du monde
- Simulating Weather Experiments for Kids - Science Book of Experiments Children's Science Education ...
- Sinkholes
- Six Easy Pieces
- Sixth Grade Daily Geography: Simple Geography Lessons
- Sixth Grade Homeschooling
- Sixth Grade Math Book
- Sixth Grade Science
- Sixth Grade Science Experiments
- Sixth Grade Science Quizzes
- Skin: The Largest Organ In The Body - Biology Books for Kids Children's Biology Books
- Slide Biology Guide
- Slime!
- Slow Down (UK)
- Small Seeds and Big Machines - Children's Agriculture Books
- Small Town Hero
- Smell the Ingredients of Pizza Sense & Sensation Books for Kids