Book Series · 9 Books

I Wonder Why Books

In order from I Wonder Why Stars Twinkle to I Wonder Why Leaves Change Color.

The I Wonder Why series is a set of 9 picture books by Anita Ganeri, published between 1993 and 2024. Written for ages 5–9, most books run about 30 pages.

Where the story begins

First Book in the Series

Sale price

$1498

Book #1 · Picture Book · Ages 5–7 · 1993

I Wonder Why Stars Twinkle

By Carole Stott, Marie-Eve Tremblay (Illustrator)

Uncover space's secrets: stars, suns, and potato-like moons await.

32 pages

$15.99Save 6%

Hardcover

Summary: Curious about the cosmos? Dive into a world of wonders with questions like 'What are stars made of?' and 'Which planet's moons resemble potatoes?' This engaging book, filled with vibrant illustrations, offers bite-sized answers to ignite young imaginations and satisfy their thirst for space knowledge. Perfect for budding astronomers eager to explore the universe's mysteries.

The complete set

Picture Book · Ages 5–7 · 2023

Discover surprising animal secrets in a fun Q&A format.

Series

Sale price

$1498

I Wonder Why Snakes Shed Their Skin

Picture Book · Ages 7–9 · 2024

Why do reptiles have such bizarre behaviors? Discover the secrets behind their unique traits.

Series

Sale price

$1498

I Wonder Why The Wind Blows

Picture Book · Ages 5–9 · 2024

Discover why the wind blows and other natural wonders in this engaging Q&A book.

Series

Sale price

$1498

I Wonder Why Leaves Change Color

Picture Book · Ages 5–7 · 2024

Discover why leaves change color and other plant mysteries.

Series

Sale price

$1498

I Wonder Why Triceratops Had Horns

Picture Book · Ages 5–7 · 2024

Uncover dinosaur mysteries and surprising facts in this engaging Q&A adventure.

Good to know

Common Questions

How many books are in the I Wonder Why series?

There are 9 books in the I Wonder Why series. It began with I Wonder Why Stars Twinkle in 1993, and the newest book, I Wonder Why Leaves Change Color, was published in 2024.