* The Girl Who Drank the Moon (2017) - This is her debut novel and won the 2018 Edgar Award for Best Young Adult Novel. It follows a young girl raised by a witch in the woods who is destined for a great purpose.
* The Serpent King (2019) - This is the sequel to "The Girl Who Drank the Moon" and continues the story of the young girl, Luna, as she confronts the Serpent King and his dangerous magic.
* The Lost and Found (2021) - This is the final book in the "The Girl Who Drank the Moon" trilogy, and it brings the story of Luna to a satisfying conclusion.
MacLellan also wrote a middle-grade fantasy novel, The Unwanteds (2022).
These are just some of the books Esther MacLellan has written. She is a talented author known for her captivating storytelling and her ability to create immersive worlds.