Robbie Morrison grew up Linwood, outside Glasgow. One of the most highly regarded writers in the UK comics industry, he has created many popular characters, such as Nikolai Dante, an Eagle Award winner for Best Series and Character.

Robbie has also scripted the adventures of iconic characters Judge Dredd, Doctor Who, Batman and Spider-Man, and was nominated for Outstanding Comic Book at the US GLAAD Media Awards. Edge of the Grave is his first novel.

Simon Armitage was born in West Yorkshire and is Professor of Poetry at the University of Sheffield. A recipient of numerous prizes and awards, he has published eleven collections of poetry, including Seeing Stars (2010), Paper Aeroplane: Selected Poems 1989-2014 (2014) and his acclaimed translation of Sir Gawain and the Green Knight (2007).

He also writes extensively for television and radio, and is the author of two novels and the non-fiction bestsellers All Points North (1998), Walking Home (2012) and Walking Away (2015). His theatre works include The Last Days of Troy, performed at Shakespeare's Globe in 2014. In 2015 he was appointed Professor of Poetry at Oxford University.

Marguerite Abouet was born in Abidjan, Ivory Coast, in 1971.

Following the tremendous success of her comics Aya of Yop City, Marguerite Abouet now dedicates all of her time to writing. Akissi is based on her own childhood.