How do they do that?: Wonders of the modern world explained

Front Cover
Morrow, 1981 - Juvenile Nonfiction - 292 pages
4 Reviews
Offers entertaining answers to some of the modern world's greatest puzzles, from how tunnels are dug underwater to how the universe is measured

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Review: How Do They Do That?

User Review  - Df - Goodreads

Have you ever wonder how they get lead in a pencil?Thanks to this book I have answers to many of lifes mosst common questions.This book has all sorts of questions from how big is the universe? and how ... Read full review

Review: How Do They Do That?

User Review  - Donovan - Goodreads

This book is great for answers for very common questions like how do they get pencil lead in pencils.The book is good for children and creative minds.The book is fun and quick to read and is and excellent gift. Read full review

Contents

How do they sort mail so that a letter you drop into
17
How do magicians saw a woman in half?
23
How do they write the Encyclopaedia Britannica?
31
Copyright

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