4.8/5 based on 1,273+ reviews
100,000 Whys™ Children's Encyclopedia
Turn 10 Minutes of Reading Into a Lifetime of Growth.
Over 200 fascinating topics
Encourages critical thinking and problem-solving
Makes learning feel like play
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Build a Lifelong Love of Learning
Help your child develop the habit of asking questions, exploring new ideas, and discovering how the world works—all through just 10 minutes of reading together each day.
Make Learning Their Favorite Adventure
With colorful illustrations and fun explanations, your child will stay entertained while building knowledge they'll carry for years to come.
Don't Just Take Our Word...
- ML
"My daughter asks a million questions every day, and this book has become our go-to instead of saying, 'I don't know.' She gets so excited every time she learns something new, and I love seeing her genuinely interested in how things work."
- DW
"I bought this for my 7-year-old grandson, and it's easily one of the best gifts I've ever given him. He brings it over every time he visits and can't wait to show me the new facts he's learned. It's fun for both of us."
- SS
"I was worried my son would lose interest after a few days, but we've been reading it together every night for weeks. The illustrations keep him engaged, and he actually remembers what he reads. It's become a part of our bedtime routine."
Frequently Asked Questions
Ships out within 2 to 3 business days