ROBYN WALL grew up in Tennessee and now lives in New York City with her bearded husband and two temporary-tattooed daughters. She is the author of My First Book of Beards and My First Book of Tattoos in the My Cool Family board book series. Learn more about Robyn at robynwall.com and follow her on Twitter at @robynjwall. See more My Cool Family books at mycool.family.

LYDIA NICHOLS is an illustrator whose children's books include The ABCs of Halloween and Happy Llamakka! See more of her work at lydianichols.com and follow her on Instagram at @hulloitslydia.