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I’m thrilled to be working with Mari on bringing the extraordinary Kate Daniels to life.
— Gina Carter, Sprout Pictures
Such a great writer.
— Ian Rankin
Mari Hannah, in short, sharp chapters, proves once again her mastery of plot, procedure and police humour. The denouement, when it eventually arrives, is satisfying and shocking.
— The Times

The Times have named Her Sister’s Killer as one of the best crime books of the year so far. I’m thrilled! Click here to listen to the prologue narrated by Colleen Prendergast.


The book tour for Her Sister’s Killer is now over. I’d like to thank my publisher Orion for organising, crime writing festivals, bookshops, libraries, readers, bloggers, reviewers, fellow authors and event chairs for getting involved as I’ve toured the UK. Your support means the world to me. Thank you all. Mari