Hayley Chewins is the author of several critically acclaimed novels, including I AM THE SWARM (Viking, 2025), which received six starred reviews, and LOKI: Season One Novel (Marvel Press, 2023), a middle grade novelization of the hit TV series. Her work has been recognized by Kirkus Reviews, Publishers Weekly, Ms. Magazine, and the Chicago Public Library, and has earned accolades including the Foreword Indies Gold for Juvenile Fiction and Amazon Best Book of the Month.

Hayley lives with her husband and daughter in Johannesburg, South Africa. She is represented by Patricia Nelson at Looking Glass Literary & Media.