Otto Wick

For the kid who asks “why?” all day long

Finally, answers they can actually see

Cover of Professor Otto's 100,000 Whys, a full-color illustrated kids encyclopedia for ages 8 to 12

161 big questions, one per page. Each one with a big labeled picture that shows how it really works. Ages 8–12, no screen needed.

Get it on Amazon

Sold and shipped by Amazon · 198 full-color pages

You know the moment.

“Why is the sky blue?” “Why do cats purr?” “Why doesn’t the Moon fall down?”

You start to answer, get halfway, and reach for your phone. Two minutes later your kid is watching videos and the question is gone.

The curiosity was real. It just had nowhere to go.

So we made a place for it: one book where every big question gets its own page, a picture that shows how it works, and a fun fact your kid can’t wait to tell you at dinner.

How every page works

Open it anywhere. Every page is a whole answer.

Page: Why do your veins look blue if blood is red? A big labeled picture of light entering the skin, a Myth busted box and an Otto Says fact
  1. One big question at the top, the kind kids really ask.
  2. A big labeled picture that shows how it works, not just what it is.
  3. A short, clear answer, with tricky words explained right on the page.
  4. Myth busted! on most pages, and Professor Otto’s extra fact.

Inside the book

Page: Why are rainbows round? Labeled picture, Myth busted box and an Otto Says fact Page: Why does Saturn have rings? Page: Why does your voice sound different in recordings? Page: Why are mountaintops freezing if they're closer to the Sun?

Swipe for more pages →

“But my kid won’t read an encyclopedia…”

“Encyclopedias are boring.”

This one isn’t built like a textbook. One question per page, a big picture first, short answers, and a myth to bust. Kids read it because they want to know.

“It’s too big. They’ll never finish it.”

They don’t have to. Every page stands on its own. Five minutes before school or a whole rainy afternoon, they open it anywhere and get a full answer.

“They’ll just ask a screen.”

A screen gives them a sentence. A page shows them how it works, so they remember it and explain it back to you. No screen, no ads, no autoplay.

Out Into Space chapter opener: a boy points a telescope at the night sky
Ten worlds, from your own body all the way out into space.

Meet Professor Otto

Professor Otto, a little professor with glasses and white hair

A little professor who pops up on almost every page with one extra fact: funny, gross, or amazing. When in doubt, Otto sorts it out.

Here’s everything your kid gets

  • 161 big questions, each with its own full page
  • Ten worlds: your body, animals, food, weather, your brain, the Earth, inventions, light and sound, long ago, outer space
  • Big labeled pictures on every question page
  • Myth busted! boxes that fix what everyone gets wrong
  • Professor Otto’s extra fact on almost every page
  • Tricky words explained right on the page, plus a glossary at the back
  • Professor Otto’s Big Quiz, with answers, to test the whole family
  • 198 full-color pages, big 8.5 × 11 format
Get it on Amazon

Sold and shipped by Amazon, with Amazon’s usual returns.

Questions parents ask

What age is it for?

Ages 8 to 12. Younger kids love it too when a grown-up reads along.

Does it have to be read in order?

No. Every page is a complete answer, so kids can open it anywhere.

Is it a good gift?

Yes. It’s a big, full-color book with no screen and no batteries, and the whole family ends up reading it.

Paperback or hardcover?

Both are on Amazon. Pick the one you like on the Amazon page.

A Christmas gift for the kid who asks why.

Want it under the tree? Check Amazon’s delivery date for your address before you order.

P.S. The next time your kid asks “why?”, you won’t need your phone. You’ll say: “Let’s look it up in Otto.”

Get it on Amazon