Andrea Posner-Sanchez has worked as an editor in children's publishing for more than 20 years, and is a prolific author of books for children. Her books include Always a Princess (Disney Princess), Dog Days (The Secret Life of Pets), and Meet Maui (Disney Moana). She lives in New York City with her husband and their daughter. Elisa Marrucchi is a children's book illustrator from Italy. After graduating from the European College of Design in 1992, she attended Accademia Disney in Milan. She currently works with Disney, as well as several book and magazine publishers, as an illustrator. Her works include Battle in Space!, Beautiful Brides, and The Beauty of Nature.