Kathy MacMillan is a nationally certified American Sign Language interpreter, writer, teacher, librarian, and storyteller.

She is the author of nine books for parents, librarians, and educators, including Little Hands and Big Hands: Children and Adults Signing Together (Huron Street Press, 2013).

Her debut young adult novel, Sword and Verse, was published by HarperCollins in January 2016. She has presented American Sign Language storytelling programs for children and families since 2002.

Manuela Bernardi is a film and TV writer based in Rio de Janeiro, Brazil, where she was born and raised.

She has collaborated on award-winning feature films and has written on shows for TV Globo, TBS, GNT, Multishow, and the History Channel.

Her screenplay for the short film The Healing Tree won USC's Peter Stark Special Project grant and went on to be selected for Cannes' Short Film Corner.

With a BA in journalism from PUC-Rio, Manuela got her MFA in writing for screen and television from USC in Los Angeles, which she attended on a Fulbright/CAPES scholarship.

Becky Thorns is a Cornwall-based illustrator who has worked with publishers including Nosy Crow and Little Gestalten. Her work on The World of Whales (Little Gestalten) was shortlisted for the World Illustration Awards, 2020.