Book Series · 9 Books

Our Universe Books

In order from Earth! My First 4.54 Billion Years to Our Solar System! A Stellar Neighborhood.

Earth! My First 4.54 Billion Years
Sun! One in a Billion
Moon! Earth's Best Friend
Ocean! Waves for All
Mars! Earthlings Welcome
Our Planet! There's No Place Like Earth
Pluto! Not a Planet? Not a Problem!
Where the story begins

First Book in the Series

Earth! My First 4.54 Billion Years
Sale price
$1797
Book #1 · Picture Book · Ages 4–8 · 2017

Earth! My First 4.54 Billion Years

By Stacy McAnulty, David Litchfield (Illustrator)

The story of the Earth's life, from its birth to the present day.

40 pages· 512 words· Est. 4 min read-aloud
5.0/7 Bookroo experts
$18.99Save 5%
Summary: Meet Earth, your guide through her own epic tale! From her fiery beginnings to the bustling present, Earth shares her story with humor and fascinating facts. Dive into a journey across billions of years, uncovering secrets and wonders of our planet. What mysteries will Earth reveal about her past and future?
In reading order

Our Universe Series

9 books · Published 2017–2025

#1

Earth! My First 4.54 Billion Years

Picture Book · Ages 4–8 · 2017

The story of the Earth's life, from its birth to the present day.

#2
Sun! One in a Billion
Sale price
$1797

Sun! One in a Billion

Picture Book · Ages 4–8 · 2018

The story of the Sun and its importance to the Earth and the solar system.

#3
Moon! Earth's Best Friend
Sale price
$1899

Moon! Earth's Best Friend

Picture Book · Ages 4–8 · 2019

The story of the Moon and its relationship with Earth.

#4

Ocean! Waves for All

Picture Book · Ages 4–8 · 2020

Discover the ocean's secrets and history through its own voice.

#5
Mars! Earthlings Welcome
Sale price
$1899

Mars! Earthlings Welcome

Picture Book · Ages 5–8 · 2021

A planet invites humans to visit and explore its surface.

#6
Our Planet! There's No Place Like Earth
Sale price
$1797

Our Planet! There's No Place Like Earth

Picture Book · Ages 4–8 · 2022

Earth needs your help to slow climate change. Can you save your home?

#7
Pluto! Not a Planet? Not a Problem!
Sale price
$1797

Pluto! Not a Planet? Not a Problem!

Picture Book · Ages 4–8 · 2023

Pluto shares its unique journey from discovery to dwarf planet status.

#8
Our Solar System! A Stellar Neighborhood
Sale price
$1797

Our Solar System! A Stellar Neighborhood

Picture Book · Ages 4–8 · 2025

Join a comet's journey through the solar system, meeting planets and more.

Venus!
Sale price
$1797

Venus!

Picture Book · Ages 4–8

Uncover Venus's secrets as she reveals her unique charm and cosmic quirks.

Companion series

Our Little Universe Series

2 books · Published 2025

3 2 1 to the Moon!

Board Book · Ages 0–3 · 2025

Join a cosmic countdown with Moon, exploring numbers and phases in an interactive adventure.

ABCD... Earth!
Sale price
$1248

ABCD... Earth!

Board Book · Ages 0–3

Explore Earth's alphabetic adventure with a spinning globe and interactive fun.

Good to know

Common Questions

How many books are in the Our Universe series?

There are 9 books in the Our Universe series. It began with Earth! My First 4.54 Billion Years in 2017, and the newest book, Our Solar System! A Stellar Neighborhood, was published in 2025.

What order should you read the Our Universe books in?

Start with Earth! My First 4.54 Billion Years and follow the series order — the books above are numbered #1 through #9.

What ages are the Our Universe books best for?

The series is best for ages 4–8, based on the age ranges of the individual books.

The people

The Creatives Behind the Books

The authors and illustrators who bring Our Universe to life.

01

Stacy McAnulty

Author
02

David Litchfield

Illustrator
03

Stevie Lewis

Illustrator

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