3 books, one unbeatable price. Real, honest, fascinating answers to every big question kids ask — about science, space, animals, history, the human body and the world.
Answers the questions kids actually ask — no more "I don't know"
Screen-free curiosity for ages 6–12 (plus an edition for grown-ups)
Thousands of amazing facts across every subject worth knowing
The gift that sparks a lifelong love of learning
$59.70$19.90SAVE 67% · Buy 1 Get 3
All 3 books for the price of one • Instant access • Loved by curious families
"Why is the sky blue?" … and you're out of answers
Kids ask hundreds of questions — about dinosaurs, space, the body, why the ocean is salty. Most end with a shrug, a "look it up later," or another hour lost to a screen.
And the ones you can answer? You're never quite sure you got them right.
There's a better way: one collection with the real, honest answers — so every question becomes a moment of wonder instead of a dead end.
What You Get
Meet the three books in your collection
Curated so the whole family can explore together — two editions for curious kids, plus one for the endlessly curious grown-up.
Book 1 · Ages 6–12
100,000 Whys for Kids
The only "why" book they'll ever need. Real, honest answers to the big questions kids ask about science, space, animals, history and the world around them — written to be genuinely fun and easy to read.
Book 2 · Ages 6–12
100,000 Whys — The Encyclopedia for Endlessly Curious Kids
An encyclopedia built for endlessly curious minds. Hundreds of big questions and amazing answers, packed with page-turning discoveries across science, space, animals, history and everything kids want to know.
Book 3 · For Grown-Ups
100,000 Whys for Adults
The grown-up edition — the only encyclopedia of big questions you'll ever need. Smart, honest answers across every subject worth knowing, so the whole family can keep learning together.
The Offer
Buy 1 book. Get all 3.
Pay for one — the other two are on us. Three books, one price.
Every answer opens the door to a new question — the kind of learning that sticks.
Answers parents trust
Clear, honest, accurate explanations you can feel confident sharing.
Screen-free time
A calm, absorbing alternative to endless scrolling and shallow videos.
The perfect gift
A present that keeps giving — birthdays, holidays, or "just because."
Home & classroom
Great for bedtime reading, quick sessions, homeschooling and rainy days.
For the whole family
Kids and grown-ups explore side by side — real conversations, together.
See Inside
Not dusty encyclopedias — books they won't put down
Forget walls of tiny text. Every page has a real question, a short and vivid answer, and a "wow" fact — the kind that makes readers run to share what they just learned.
ScienceSpaceAnimalsThe Human BodyHistoryNatureTechnologyThe World
"My son used to zone out on the tablet. Now he's reading me facts about black holes at dinner. Worth every penny."
★★★★★
DK
David K.
✓ Verified Buyer
"Finally I can answer the endless 'why' questions — and the answers are actually right. My two kids fight over who reads it first."
★★★★★
LT
Lisa T.
✓ Verified Buyer
"Bought it as a gift for my niece and ended up getting the set for our own kids too. Educational without feeling like homework."
★★★★★
MP
Michael P.
✓ Verified Buyer
"Three books for this price is a steal. We keep one in the car, one by the bed, and one on the kitchen table. Questions get answered on the spot."
★★★★★
RB
Rachel B.
✓ Verified Buyer
"As a teacher I'm picky about kids' content. This is genuinely accurate and genuinely fun — a rare combination. My class loves the 'why' of the day."
★★★★★
JS
Jennifer S.
✓ Verified Buyer
"My 8-year-old asks fewer 'can I have the iPad' and more 'did you know…'. That alone was worth it. The adult edition surprised me too."
★Loved
Made to spark curiosity — and loved by families
We stand behind the quality of every book in the collection. If anything isn't right with your order, our friendly team is here to help — just reach out any time.
Good to Know
Frequently asked questions
It's a set of three books that answer the big questions people are naturally curious about — across science, space, animals, the human body, history, nature and more. Two editions are written for kids ages 6–12, and one is written for grown-ups, so the whole family can explore together.
Curious kids aged 6–12, the parents who want real answers to give them, and any adult who never stopped asking "why". It's ideal for families, homeschoolers, teachers, and gift-givers.
Science, space, animals, the human body, history, nature, technology and the everyday mysteries of the world. If a curious mind has wondered about it, there's an answer inside.
That's the whole point. Answers are short, vivid and full of "wow" moments, so even reluctant readers keep turning pages — and often come running to share what they just discovered. It reads like fun, not like school.
One of the best. A three-book collection that grows a child's curiosity is a gift that lasts far longer than a toy — perfect for birthdays, holidays, or simply encouraging a love of learning.
Simply click any "Get All 3 Books" button, complete the secure checkout, and you'll receive your full set right away so you can start exploring today.
We're confident you'll love the collection. As these are instant-access digital products, all sales are final — but your satisfaction genuinely matters to us, so if anything isn't right, just contact us and we'll do our best to make it right.
Turn every "why?" into wonder
Give your family the collection that answers it all.
