Highly original and very twisty . . . this is his first psychological thriller and it's a cracker * Daily Mail *
Riveting, twisty as all hell, and very, very clever, A Knock at the Door is a rollercoaster ride of brilliance. TW Ellis is a superb thriller writer: breakneck speed action, tight plotting, characters to root for, Ellis has it all. Bravo! * Sarah Pinborough *
A thrilling fast-paced story, full of twists and turns * Claire McGowan *
A Knock at the Door is a gripping, twisty thriller that intrigues from the very beginning. T. W. Ellis is the real deal. * Alex North *
Strap in for a mesmerising game of cat and mouse packed with twists * Herald *
A Knock at the Door is a fantastic, action-packed thriller that gets better and better as it races to a rip roaring climax! * Simon Kernick *
Fast paced, brilliantly plotted and a rock and roll central heroine. Don't miss it. * Liz Loves Books *
The plot to end all plots . . . I recommend you put a few hours aside before you start reading. Because once you start, you won't want to stop * Mystery People *
Only one thing is certain with this heart-pounding thrill-ride of a novel, and that is nothing is what it seems * Heat *
An enjoyable and fast-moving psychological thriller with a distinctly different twist in the tail * Irish Independent *
Pulse-pounding * Crime Monthly *
Once you start this book, there's no turning back. This is a true psychological thriller in a market crowded with dramas that often don't live up to expectations. Arresting stuff * Townsville Bulletin and Weekend Gold Coast Bulletin *