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Ask Non-Fiction Books in Order
Below you'll find the complete list of Ask Non-Fiction books in publication order. This is generally the recommended reading order for the series.
Reading order verified: April 2026
Quick Answer
What order should I read the Ask Non-Fiction series? Start with "Where Does Garbage Go?" (1991) and follow publication order through all 14 books.
The complete Ask Non-Fiction reading order is listed below in publication sequence.
Publication Order
Where Does Garbage Go?
1991
Why Do We Have Different Seasons?
1991
What is a Shooting Star?
1991
What Happens When I Flush the Toilet?
1992
What's Happening to the Ozone Layer?
1992
How Do Aeroplanes Fly?
1992
What Causes Acid Rain?
1992
Why Are the Rain Forests Vanishing?
1992
Why is the Air Dirty?
1992
Is Our Planet Warming Up?
1992
Why Are Whales Vanishing?
1992
Why Are Some Beaches Oily?
1992
Why Are Animals Endangered?
1992
Why Do People Come in Different Colors?
1993
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