Rachel Vail

Hyewon Yum is the author and illustrator of many acclaimed picture books, including Sometimes I Kaploom, a Kirkus Reviews Best Book of the Year, and Mom, It's My First Day of Kindergarten!, which received the Ezra Jack Keats New Illustrator award. She lives in Brooklyn, New York. Visit Hyewon online at hyewonyum.com.

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.