Helena Ku Rhee

Helena Ku Rhee grew up in Los Angeles and has lived in various parts of the United States, Asia, and Europe. She is the author of the picture books Rosa's Song and The Paper Kingdom, both illustrated by Pascal Campion, and The Turtle Ship, illustrated by Colleen Kong-Savage. Helena Ku Rhee currently lives in Los Angeles.

Stella Lim studied fine art and graduated from Kingston University. She based her work for Sora's Seashells on sketches from Ji-Hyuk Kim. Stella Lim lives with her family in Seoul, South Korea.

Ji-Hyuk Kim is the illustrator of the New York Times bestseller Through Your Eyes: My Child's Gift to Me by Ainsley Earhardt as well as many book jackets and covers. Ji-Hyuk Kim lives in South Korea.