"Intricate, fast-paced, and with a protagonist I am sure we will hear more of, Roberts announces himself as a genuinely innovative crime writer with a taste for the macabre and unexpected." Daily Mail

"Dark, gripping and believable" Graham Masterton

"Brilliant storytelling" Jimmy McGovern

"The Sixth Soul is a classic police procedural with a difference – the protagonist isn't a hard-drinking loner"

"A compelling read"

"Roberts is a writer who definitely has talent"

"Fast paced and disturbing, this is certainly a compelling debut" bookshelf butterfly

"The characters are real people, people you could walk past in the street and in that respect it shows how close our lives are actually entwined. Mark Roberts has the ability to make us confront this aspect of our lives by putting it right out there in front of us. Loved this book and I will read it again." Pauline (amazon review)

"Best book ever!!! Couldn’t put it down. Great twist at end. Very real and believable". Elizabeth Barton (amazon review)

"This is the first book that I've read written by Mark Roberts. He has an excellent writing style, and from the first few pages of the book, he managed to keep my interest in the story maintained."Eleanor McKenna (irish good reads blog site)

"Fantastic read. A real page turner! The story was gripping from start to finish, the characters believable and a very satisfactory ending. Hurry up and write another please!" Dee Crossland (Amazon Review)

" Kept me up reading in bed at night until i'd finished the book. Hope there's a second to follow on. This book is brilliant" Katie Dallas (Amazon review)