100000 Why's Children's Encyclopedia
- ❓ Answers to the questions your kid actually asks — why the sky's blue, why we dream, why ice floats
- 📖 Written so a primary-schooler gets it on the first read, without you translating
- 🚫 Zero screens, no "go look it up" — one book on the shelf that handles every "but why?"
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Join Thousands Of Parents Who Stopped Saying "I Don't Know"
The Book That Answers Everything.
Real Questions, Real Answers
Not a dry reference nobody opens. These are the questions kids actually ask out loud, answered in language they get on the first read.
Written For Their Reading Level
Primary-school students can read it alone, which means it works as independent reading instead of another thing you have to sit and do with them.
Curiosity That Keeps Going
One answer leads straight into the next question, so a kid who opens it for one thing stays for six more. That's the whole point of extracurricular reading.
Screen-Free Answers
The alternative is handing them your phone. This lives on the shelf, gets pulled down at dinner, and settles the argument without a single notification.
From "I Don't Know" To "Go Look It Up."
What changes when the answers live in your house.
The First Question
They ask something you can't answer. Instead of the phone, you hand them the book. They find it themselves and read it out loud to you — and something shifts, because now they're the one with the answer.
The Week It Becomes Theirs
They stop asking you first. The book comes to the dinner table, goes in the backpack, sits open on the floor. Every answer sparks a new question, and they keep flipping to find it.
The Kid Who Looks Things Up
This is the real payoff, and it isn't about facts. It's a kid who learned that questions have answers and that finding them yourself is the fun part. That habit outlasts this book by decades.
This vs. A Learning App
Both answer the question. Only one builds the habit.
This vs. A Learning App
Both answer the question. Only one builds the habit.
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Answers written for a child's reading level
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Zero screens, zero notifications, zero rabbit holes
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Builds the habit of looking things up
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They read it independently
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Nothing to take away at bedtime
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Don't Just Take Our Word For It.
We read it before she did
I bought this for my granddaughter, but her mom and I ended up reading it first. This is an awesome addition to your kid's library.
Clear enough for kids to get it
The answers are clear and easy to understand for children. Great for curious minds — I like the interactive style that makes learning fun.
My kids love it
My kids absolutely love this book. Very interesting, highly recommended.
The quality is genuinely good
The paper is thick, the print is clear, the quality is very good, and there's no strange smell. The content is rich and easy to understand.
Builds real skills
Engaging and educational — perfect for building strong reading skills.
RISK-FREE Guarantee
We stand behind every copy. If it's not right for your kid, return it within 30 days for a full refund. Free returns, no hassle.
add to cartRISK-FREE Guarantee
We stand behind every copy. If it's not right for your kid, return it within 30 days for a full refund. Free returns, no hassle.
add to cartFrequently Asked Questions
Find answers to common questions about our products, shipping, returns, and more.
Primary school students — kids who can read on their own and are deep in the "why?" phase.
The ones kids actually ask, across science, nature, the human body, and the everyday world around them.
That's how it's built. The answers are written at a primary-school reading level so it works as independent extracurricular reading.
Paperback, with thick pages and clear print — reviewers consistently mention the quality holds up to real use.