ACCLAIMED writer Martin Stewart, author of Riverkeep and The Sacrifice Box, is to visit Waterstones in Oxford.

He will be at the Broad Street store on Tuesday, at 6pm, to sign copies of The Sacrifice Box.

Mr Stewart has previously worked as a recycling technician, university lecturer, bartender, golf caddy, and English teacher.

He lives in Glasgow and enjoys buying books and walking on the beaches of Scotland’s west coast.

The Sacrifice Box, published by Penguin, is a chilling page turner featuring five friends thrown together. When they discover an ancient stone box they decide each one of them should make a sacrifice.