Catherine Doyle lives in the West of Ireland. She holds a BA in Psychology and an MA in Publishing. Her award-winning and internationally bestselling work, which includes middle grade and young adult fiction, has been published in 30 languages. Her No.1 Sunday Times and New York Times Bestselling YA novel, THE DAGGER & THE FLAME, published in September 2024. Her bestselling YA trilogy, which includes TWIN CROWNS, CURSED CROWNS and BURNING CROWNS, is co-authored with Katherine Webber. A further solo standalone spin-off, KING OF BEASTS, will follow in January, 2026. She also writes the Blood for Blood mafia romance trilogy, which includes VENDETTA, INFERNO & MAFIOSA. Her children's fiction includes the STORM KEEPER trilogy, which is set on the magical island of Arranmore, where her grandparents grew up; THE MIRACLE ON EBENEZER STREET, a modern reimagining of A Christmas Carol; THE LOST GIRL KING, a magical adventure inspired by Irish mythology; and PIRATES OF DARKSEA, a swashbuckling tale of bravery and brotherhood.

Freya Hartas is a UK based illustrator specialising in children's books. She lives in the vibrant city of Bristol with her partner and their ancient black cat Katsu and works from her cosy, cluttered desk in a shared studio down the road. She graduated from Falmouth University with a first-class honours in BA Illustration in 2014. Freya loves to conjure up humorous characters, animals and monsters, creating the most fantastical worlds for them to inhabit and get lost in. She has worked on picture books and a number of classic chapter book illustrations for older children, including the bestselling Slow Down and If You Go Down to the Woods Today.