Stacy McAnulty is the author of many books for children, notably the nonfiction picture book series Our Universe, which includes titles, Earth! My First 4.54 Billion Years, Mars! Earthlings Welcome, and Moon! Earth's Best Friend, among others. She's also the author of picture books Brains! Not Just a Zombie Snack, A Small Kindness, Beautiful, Brave, and Love, and she writes books for middle grade readers including The Miscalculations of Lightning Girl and Millionaires for the Month. Stacy lives in North Carolina with her family and as many dogs as she can sneak in the house.

Joey Chou was born in Taiwan and grew up in Southern California. After graduating from Art Center College of Design with an illustration degree, he worked as a Visual Development artist in feature and TV animation for 10 years. He currently works at Netflix Animation, and has worked with other studios such as Disney, Nickelodeon, Dreamworks, Warner Bros, Cartoon network, Paramount, Sony, and many more.

Praise for Stacy McAnulty:

A Junior Library Guild Selection

"McAnulty and Litchfield cast planet Earth as an exuberant celestial body with bright brown eyes and a broad smile, who couldn't be happier to share its life story...Terrifically entertaining." --Publishers Weekly Starred Review

"A humorous approach to planetary facts for the elementary grades." --School Library Journal Review

"This is beautiful and funny and an incredible melding of text and numbers and science for our youngest of readers. Amazing work!!"--Betsy Bird at SLJ