Bree Grenwich is one half of the writing duo Grenwich & Lennox, alongside Parker Lennox. Their debut novel Riftborne (2025) was a Sunday Times bestseller and the first book of the Esprithean Trilogy, followed by its sequel Duskbound. They also write the Aesymarean Duet, beginning with The Ascended. Both series are published by Kensington/Penguin Random House.
