Marcus Sedgwick is a full time author. His first novel, Floodland, won the Branford Boase Award for the Best Debut Children's Novel of 2000.

Since then his books have been shortlisted for the Guardian Children's Fiction Prize, the Blue Peter Book Award, the Costa Book Award, the Carnegie Medal and the edgar Allan Poe Award.

His novel, Midwinterblood, won the 2014 Michael L. Printz Award. He lives in the French Alps.

Julian Sedgwick is the author of six books for children, including the critically-acclaimed Dark Satanic Mills, which he co-authored with his brother Marcus. The Black Dragon, the first book in Julian's Mysterium trilogy, was the winner of the 2013 Rotherham Children’s Book Award.

Alexis Deacon is a writer and illustrator of children’s books. His first book Slow Loris, published in 2002, was in 2015 named by Time Magazine as one of the hundred best children's books of all time. In 2008 he was chosen as one of Booktrust’s ten best new illustrators of the preceding decade.