Isabel Greenberg is an award-winning illustrator, comic artist, and writer. She illustrated the picture book A Hundred Billion Trillion Stars, which won the Mathical Book Prize, was named a Boston Globe Horn Book Award honor, and "best of the year" by Amazon, Space.com, and the Planetary Society, and has over 60,000 copies in print, along with Power Up and The Ocean in Your Bathtub. Her graphic novels, including the New York Times bestseller The Encyclopedia of Early Earth, have received starred reviews, won the Best Book Award at the British Comic Awards, and won the Jonathan Cape/Observer/Comica Graphic Short Story Prize, among other praise. Greenberg has worked with a variety of clients, including the Guardian, Nobrow Press, The National Trust, and the New York Times. She lives in London and enjoys illustrating all things historical. This is her first author-illustrated picture book.