Robbie Arnett

Robbie Arnett is the coauthor of the #1 New York Times bestelling Hattie Harmony picture book series with his wife, Elizabeth Olsen. He has toured the world as a professional musician and plays the guitar, drums, harmonica, and many other instruments that he's made from the items in his kitchen. He lives in Northern California, where he's always writing a new song.

Please visit him on Instagram @HattieHarmonyBooks.

Luciano Lozano is illustrator of Boys Dance!, Call Me Max, Our Italian Christmas Eve, and many other delightful books for children. His art is regularly seen in newspapers and magazines worldwide. While creating the art for this book, he listened to everything from classical music to bossa nova. He lives in Barcelona, where he's… Keep Reading