Caroline Smailes’ acclaimed debut novel, In Search of Adam, was published in 2007 (The Friday Project/HarperCollins). The Big Issue North declared the book 'an engrossing and touching read from a new talent'. Since then Caroline has written six additional novels. These include Black Boxes, international bestseller Like Bees To Honey, an experimental digital novel with eleven endings 99 Reasons Why and modern day fairy tale The Drowning of Arthur Braxton (all HarperCollins).

The feature film of The Drowning of Arthur Braxton is in post-production, with an expected winter 2020/21 release.

As well as novel writing, Caroline has co-authored a short story collection (Freaks!), written scripts for short films and the script for a musical (The Colour of Light debuted in March 2020, selling out its two performances).

Caroline lives in Liverpool and is also known as Caroline Wallace (The Finding of Martha Lost). She is head of book editing at BubbleCow and is currently the Royal Literary Fund Fellow at Liverpool University.