Linda Sue Park's books include A Single Shard, Prairie Lotus, and A Long Walk to Water. She is on the advisory board of We Need Diverse Books and lives in Rochester, New York. www.lspark.com Twitter: @LindaSuePark.
Robert Sae-Heng is a London-based illustrator and teacher. www.robertsae-heng.co.uk, Twitter: @robertsaeheng, Instagram: @robertsaeheng