Book Series · 4 Books

Cosmos Questions Books

In order from What Are Exoplanets? to What Are Exoplanets?.

Where the story begins

First Book in the Series

Sale price

$2849

Book #1 · Chapter Book · Ages 7–10 · 2025

What Are Exoplanets?

Discover the secrets of distant worlds beyond our solar system.

24 pages· 735 words· Est. 7 min read

$29.99Save 5%

Summary: Explore the mysteries of exoplanets, distant worlds that reveal the universe's secrets. Dive into vibrant images and engaging facts that spark curiosity about what lies beyond our solar system. What can these alien planets teach us about the cosmos?

The complete set

Cosmos Questions Series

4 books · Published 2025

Sale price

$2849

What Are Exoplanets?

Chapter Book · Ages 7–10 · 2025

Discover the secrets of distant worlds beyond our solar system.

Sale price

$2849

How Do Galaxies Form?

Chapter Book · Ages 7–10 · 2025

Discover the mysteries of galaxy formation and cosmic collisions.

Sale price

$2849

Where Do Black Holes Go?

Chapter Book · Ages 7–10 · 2025

Discover the mysteries and theories of black holes.

Sale price

$2849

Where Do Asteroids Come From?

Chapter Book · Ages 7–10 · 2025

Discover the origins of asteroids and their potential impact on Earth.

Good to know

Common Questions

How many books are in the Cosmos Questions series?

There are 4 books in the Cosmos Questions series. It began with What Are Exoplanets? in 2025, and the newest book, What Are Exoplanets?, was published in 2025.