S J Watson was born in the UK, lives in London and worked in the NHS for a number of years.

In 2011 Watson's debut novel, Before I Go to Sleep, was released to critical acclaim. It has now been published in over 40 languages, and has become an international bestseller, winning numerous awards.

The movie of Before I Go To Sleep, starrring Nicole Kidman, Colin Firth and Mark Strong, was released in 2014. Second Life, Watson's second book, is out now, and has already been a top ten bestseller.

S J Watson's new novel. FINAL CUT, is out in August 2020.