Cassidy Lucas is the pen name of writing duo Julia Fierro and Caeli Wolfson Widger. Fierro is the author of the novels Cutting Teeth, praised by the New Yorker as a “comically energetic début,” and The Gypsy Moth Summer, called “hugely engaging” by Francine Prose. Widger is the author of the novels Real Happy Family and Mother of Invention, praised by Margaret Atwood as a “pacey thriller,” and was featured on NPR’s Marketplace. Both Fierro and Widger live in Santa Monica with their families. Santa Monica is their first book together. Their second novel, The Canyon, set in Topanga Canyon on the westside of Los Angeles, will be published in 2021.