Mary Lyn Ray has written many acclaimed books for children, including Go to Sleep, Little Farm, illustrated by Christopher Silas Neal; New York Times bestseller Stars, illustrated by Marla Frazee, and The Thank You Book, illustrated by Stephanie Graegin. She lives in South Danbury, New Hampshire.

Stephanie Graegin spent her childhood drawing and collecting fauna in Fort Wayne, Indiana, and Houston, Texas. She received her BFA in Fine Arts from the Maryland Institute College of Art in Baltimore, Maryland. She later attended Pratt Institute in Brooklyn, New York, obtaining a Master of Fine Arts in Printmaking. Stephanie's beautifully illustrated books include The Thank You Book by Mary Lyn Ray and You Were the First by Patricia MacLachlan. She now lives in Brooklyn, is still drawing, and has managed to keep her collection down to one orange cat.