Rachel Federman is a writer, musician, and nonprofit consultant who has written over 20 books for adults and children, including The Mindful Gardener (Clarkson Potter, 2017) and Test Your Dog's IQ (HarperCollins, 2016). She once saw three mermaids in the fountain at Washington Square Park in New York City. No one seemed to know how they got there.

Laura Korzon is an artist, illustrator, and designer, born and raised in Lancaster, Pennsylvania, U.S.A. She graduated from Rhode Island School of Design in 2010 and spends her days creating colorful graphics for cards, stationery, clothing, and books, including Unicornucopia (HarperCollins, 2018).