Deborah Underwood grew up in Walla Walla, Washington. She is the author of many books for children, including the New York Times-bestselling The Quiet Book. When she's not writing, you might find her singing in a chamber choir, playing a ukulele, walking around in Golden Gate Park, baking vegan cookies, or petting any dogs, cats, pigs, or turkeys that happen to be nearby. deborahunderwoodbooks.com Irene Chan is the illustrator of Baby Loves Quarks! and Baby Loves Aerospace Engineering! She is also an art director, designer, artist, and amateur photographer. She currently lives in Atlanta, Georgia. eneri.net