I Wonder Why Ultimate Collection 20 Books Collection Set - Ages 7-9 Non Fiction - Paperback

Titles in This Set
Triceratops Had Horns and Other Questions About Dinosaurs
Snakes Shed Skin and Other Questions About Reptiles
Stars Twinkle and Other Questions About Space
The Wind Blows and Other Questions About Our Planet
Pyramids Were Built and Other Questions About Ancient Egypt
The Sea is Salty and Other Questions About the Oceans
Kangaroos Have Pouches and Other Questions About Baby Animals
Soap Makes Bubbles and Other Questions About Science
Spiders Spin Webs and Other Questions About Creepy-Crawlies
Volcanoes Blow Their Tops and Other Questions About Natural Disasters
Planes Have Wings and Other Questions About Transport
There's a Hole in the Sky and Other Questions About the Environment
Leaves Change Colour and Other Questions About Plants
Columbus Crossed The Ocean and Other Questions About Explorers
Zips Have Teeth and Other Questions About Inventions
Caterpillars Eat So Much and Other Questions About Life Cycles
Camels Have Humps and Other Questions About Animals
The Sun Rises and Other Questions About Time and Seasons
Mice are Musical and Other Questions About Music
My Tummy Rumbles and Other Questions About My Body

Details
Condition: Brand New
Format: Paperback
Publisher: Kingfisher
Age Range: Ages 7-9 (Grades 2-4)

Overview
The I Wonder Why Ultimate Collection brings together twenty beloved titles from Kingfisher's long-running question-and-answer series, redesigned with bright new covers for a new generation of curious kids. Each paperback tackles a single big question, from why triceratops had horns to why the sea is salty, and answers it in short, friendly sections packed with colorful illustrations. Covering dinosaurs, space, oceans, ancient Egypt, inventions, and more, this set turns everyday curiosity into a genuine love of learning. It's an ideal home library addition, classroom resource, or gift for any elementary-age reader who never stops asking "why?"

About the Books
Since its debut, the I Wonder Why series has become a staple of children's nonfiction, prized for taking real questions kids actually ask and answering them in a warm, conversational tone rather than dry textbook prose. Each of the twenty paperbacks in this collection follows the same trusted format: a central question becomes a chapter title, and shorter related questions fill each spread, building knowledge one bite-sized fact at a time. The subjects range widely across the curriculum, dinosaurs, reptiles, and baby animals sit alongside space, weather, and the environment, while ancient Egypt, explorers, and inventions add a dose of history and technology. Vivid illustrations and diagrams appear on every page, helping visual learners connect words to pictures, and the consistent design across all twenty books means kids quickly learn how to navigate and enjoy each one. Because the books are self-contained, children can start anywhere, skip to their favorite topic, or work through the set in order, there's no wrong way to read it. Teachers and parents alike appreciate how the Q&A structure models good research habits, showing kids that big questions can be broken down into smaller, answerable ones. Recently redesigned with a fresh, crisp look, this collection preserves the substance that made the original I Wonder Why books popular while giving them appeal for today's readers. Packed into one set, these twenty paperbacks offer hours of independent reading and browsing, making them a dependable go-to for curious minds at home or in the classroom.

Key Benefits

• Twenty individual paperbacks covering dinosaurs, space, science, history, and nature
• Friendly question-and-answer format that makes learning feel like a conversation
• Bright, detailed illustrations on every spread to support visual learning
• Consistent, easy-to-navigate design that builds reading confidence across the set
• Great for independent reading, homeschooling, or classroom library rotation
• A thoughtful gift for birthdays, holidays, or back-to-school reading

Book-by-Book Guide
Triceratops Had Horns and Other Questions About Dinosaurs — Explores why triceratops grew horns and how fossils reveal secrets of prehistoric life.
Snakes Shed Skin and Other Questions About Reptiles — Explains why snakes shed their skin and introduces the wider world of reptiles.
Stars Twinkle and Other Questions About Space — Answers why stars appear to twinkle and explores the mysteries of the night sky.
The Wind Blows and Other Questions About Our Planet — Looks at what causes wind and other everyday forces shaping our planet.
Pyramids Were Built and Other Questions About Ancient Egypt — Investigates why the pyramids were built and daily life in ancient Egypt.
The Sea is Salty and Other Questions About the Oceans — Explains why the sea is salty and dives into ocean life and features.
Kangaroos Have Pouches and Other Questions About Baby Animals — Explores why kangaroos have pouches and how baby animals are cared for.
Soap Makes Bubbles and Other Questions About Science — Uses everyday moments, like soap making bubbles, to explain basic science.
Spiders Spin Webs and Other Questions About Creepy-Crawlies — Explains how spiders spin webs and introduces other creepy-crawly creatures.
Volcanoes Blow Their Tops and Other Questions About Natural Disasters — Explores why volcanoes erupt and other powerful natural events.
Planes Have Wings and Other Questions About Transport — Explains how planes fly and looks at many other forms of transport.
There's a Hole in the Sky and Other Questions About the Environment — Introduces environmental issues like the hole in the ozone layer.
Leaves Change Colour and Other Questions About Plants — Explains why leaves change color and how plants grow and survive.
Columbus Crossed The Ocean and Other Questions About Explorers — Looks at Columbus's voyage and other famous explorers throughout history.
Zips Have Teeth and Other Questions About Inventions — Explains how zippers work and explores other clever everyday inventions.
Caterpillars Eat So Much and Other Questions About Life Cycles — Explores why caterpillars eat so much and how animal life cycles unfold.
Camels Have Humps and Other Questions About Animals — Explains why camels have humps and introduces animals from around the world.
The Sun Rises and Other Questions About Time and Seasons — Explains why the sun rises and how days, seasons, and time work.
Mice are Musical and Other Questions About Music — Explores how sound and music work through fun, relatable questions.
My Tummy Rumbles and Other Questions About My Body — Explains why tummies rumble and introduces how the human body works.

About the Authors
This collection brings together several children's nonfiction authors who have written for Kingfisher's I Wonder Why series, including Rod Theodorou, credited across individual titles. Writing for Kingfisher, a respected publisher of illustrated children's nonfiction under Pan Macmillan, these authors specialize in translating complex topics, from paleontology to astronomy, into clear, age-appropriate language for elementary readers. Their shared goal has always been to honor genuine childhood curiosity, answering the questions kids really ask, which is part of why the I Wonder Why format has remained popular for decades.

Why You'll Love This Collection
Twenty engaging paperbacks in one set mean endless topics to explore, from dinosaurs to deep space, without repeating a single question. The friendly Q&A format keeps kids engaged while building real knowledge, making it a smart pick for birthdays, holidays, or a classroom library that keeps curious minds coming back.

Please Note: This is the UK edition with the ISBN as listed; the cover may vary slightly from the image shown.