Rachel Vail

Yumi Heo was born and raised in Korea, where she studied graphic design. She has written and illustrated many books, including ONE AFTERNOON. She lives in White Plains, New York, with her husband, Steve, and their children.

Rachel Vail is the award-winning author of more than 40 beloved books. Her picture books include Sometimes I'm Bombaloo and Sometimes I Kaploom, a Kirkus Reviews Best Picture Book of the Year. Her most recent novels for young people are Bad Best Friend; Well, That Was Awkward; and the A is For Elizabeth series, all Junior Library Guild Gold selections. Rachel lives in New York City with her husband, their two sons, and a tortoise named Lightning. Visit rachelvail.com.