Hardcover encyclopedia for ages 4-12
Your child asks “Why does iron rust?”
The Book That Answers Every Why
174 real questions kids actually ask, from black holes to why leaves change colour, answered simply and illustrated on every page. A hardcover they pick up on their own, and put the screen down for.
- Questions 174 Real Q&As
- Ages 4 To 12
- Edition Hardcover
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174 Real Questions
The ones kids wonder about every day
Gift-Ready Hardcover
17.6 x 25 cm, built to be read for years
Everything inside
One Book, Every Subject They Are Curious About
From the deepest ocean to the edge of the universe. If your child has wondered about it, the answer is in here.
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01
Space & Universe
Black holes, planets, stars, rockets and life beyond Earth
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02
Dinosaurs
Why they went extinct, how we find them, what they really looked like
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03
The Human Body
Why your heart beats, how your brain works, why you dream
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04
Oceans & Sea Life
Deep sea creatures, why the ocean is salty, how waves form
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05
Weather & Nature
Thunder, lightning, tornadoes, rainbows and the sky
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06
History & Civilisations
Ancient Egypt, the Romans, great inventions and how the world changed
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07
Animals & Wildlife
How animals survive, migrate, communicate and why some go extinct
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08
Science & Physics
Gravity, light, sound, electricity and how everything works
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09
Plants & Biology
How plants grow, why leaves change colour, what makes things alive
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10
The Brain & Mind
Memory, emotions, sleep, dreams and how the mind works
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11
Technology & Inventions
How planes fly, how the internet works, what computers do
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12
Earth & Geography
Volcanoes, earthquakes, tectonic plates and how Earth formed
Why it works
Why Kids Pick It Up On Their Own
One hardcover, three reasons it beats the screen
- 01
Questions They Actually Ask
The ones children wonder about every single day, not what adults think they should know. Why does iron rust? Why is the ocean salty? Why do we dream?
- 02
Every Subject In One Book
Animals, space, the human body, nature, technology, daily life and more, 174 questions and answers across twelve subject areas
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Reads Like Fun, Not Homework
Written simply, illustrated beautifully and built to be read for fun. Not a textbook, not a reference tool, a book kids read because they want to
Kids' Encyclopedia "10,000 Whys"
Hardcover, 174 real questions and answers, ages 4-12.
The Book That Starts Dinner-Table Conversations
What families told us after the first month with the book on the coffee table.
Get The BookReal parents. Real kids. Real questions.
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97%
Said their child picked the book up without being asked
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96%
Noticed their child asking deeper questions within weeks
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98%
Would give it again as a birthday or holiday gift
Self-reported customer feedback.
The Prime Naturals standard
Built Like A Hardcover, Sized For Small Hands
A complete hardcover edition, 17.6 x 25 cm and 1.8 cm thick at 680 g, with 174 real questions and answers inside. Twelve subject areas run from space and dinosaurs to the human body, weather, history and technology, each one written simply and illustrated so a six-year-old can read it for fun and a twelve-year-old still learns something new.
Free Shipping
30 Day Trial
174 Real Q&As
Ages 4 To 12
Hardcover Edition
12 Subject Areas
Free Shipping
30 Day Trial
174 Real Q&As
Ages 4 To 12
Hardcover Edition
12 Subject Areas
Free Shipping
30 Day Trial
174 Real Q&As
Ages 4 To 12
Hardcover Edition
12 Subject Areas
Free Shipping
30 Day Trial
174 Real Q&As
Ages 4 To 12
Hardcover Edition
12 Subject Areas
Free Shipping
30 Day Trial
174 Real Q&As
Ages 4 To 12
Hardcover Edition
12 Subject Areas
Free Shipping
30 Day Trial
174 Real Q&As
Ages 4 To 12
Hardcover Edition
12 Subject Areas
Loved By Parents And Grandparents Alike
Rated 4.8/5 by 5,000+ Happy Customers
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★★★★★
"My son is thoroughly enjoying this book! Great reading put out for our children! Thank you!"
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★★★★★
"I purchased the book for my grandson, who just turned 5 and just started kindergarten. I was informed that he loves the book and they read some every night."
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★★★★★
"I really liked the content! Great book! I loved the little bookmark detail."
Questions, Answered
Good to know before you order