Rina Singh is an award-winning children's author who is drawn to real-life stories about the environment and social justice. Her critically acclaimed and award-winning books include Grandmother School, winner of the 2021 Christie Harris Illustrated Children's Literature Prize; Diwali: A Festival of Lights, nominated for the Red Cedar Award; and Once, a Bird. Rina has an MFA in creative writing from Concordia University and a teaching degree from McGill University. She lives in Toronto.

Sophie Casson has illustrated more than twenty-five books, including The Artist and Me by Shane Peacock, a finalist for the Marilyn Baillie Picture Book Award, and Helen's Birds by Sara Cassidy, selected as part of IBBY Canada's Silent Book collection. Her highly acclaimed illustrations are inspired by etchings, silkscreen works and Japanese woodblock prints. Sophie's award-winning work has also appeared in the Globe and Mail, the New York Times, the Financial Times, the Los Angeles Times and Nature, as well as in the Canadian Museum for Human Rights. Sophie lives in Montreal, Quebec.