Simon is a million selling crime novelist. His first book, 'The Snowdonia Killings', was released in January 2020 and soon became an Amazon Bestseller, reaching No 1 in the Amazon UK Chart and selling over 300,000 copies. His twelve subsequent novels in the DI Ruth Hunter Crime Thriller Series have all been Amazon Best Sellers and many have hit the top of the UK Digital Chart. He has sold over 1.5 million books since 2020.

The Ruth Hunter Snowdonia books are currently in development as a television series to be filmed on location in North Wales in 2023.

SImon also has a very successful crime series set on Anglesey with Harper Collins (Avon). 'The Dark Tide', the first of the series, was the highest ever selling Waterstones' Welsh Book of the Month.

Simon McCleave was originally born in South London. When leaving University, he worked in television and film development. He was a Script Editor at the BBC, a producer at Channel 4 before working as a Story Analyst in Los Angeles. He worked on films such as 'The Full Monty' and television series such as the BBC Crime Drama 'Between The Lines'.

Simon then became a script writer for television and film. He wrote on series such as Silent Witness, Murder In Suburbia, Teachers, Attachments, The Bill, Eastenders and many more. His film, 'Out of the Game' for Channel 4 was critically acclaimed - 'An unflinching portrayal of male friendship.' (Time Out)

Simon lives in North Wales with his wife and two children.