Patricia Wolf, Opal  

For the October Crime Stack, Echo Publishing has kindly offered 20 copies of Opal, the thrilling third installment in the bestselling DS Lucas Walker series by Patricia Wolf, the Berlin-based author who hails from Mt Isa.

A small mining community. A murderer at large. And a flood that has trapped them all . . .

DS Lucas Walker is off duty. His young half-sister Grace is visiting from Boston, and he’s supposed to be spending time with her at his home in Caloodie in outback Queensland. But instead they’ve driven 400 kilometres west to the tiny mining town of Kanpara to pick up Walker’s cousin Blair, who’s been digging for boulder opals and is suddenly very keen to get out.

On their arrival, the atmosphere is already tense with rumours of a life-changing opal discovery. The following day, they awake to find that Kanpara has been completely cut off by a flood and the roads will be closed for days. As they take in their predicament, Blair receives a shocking phone call. A man and a woman have been found brutally murdered.  

Can Lucas unravel the mystery quickly enough to save his cousin and keep Grace safe?ake in their predicament, Blair receives a shocking phone call. A man and a woman have been found brutally murdered.  

Can Lucas unravel the mystery quickly enough to save his cousin and keep Grace safe? 

Patricia Wolf grew up in Queensland, Australia, and now lives in Berlin. She likes whisky and strong coffee, busy cities, surf beaches, and wild places. A journalist for almost twenty years, Patricia is a regular contributor to newspapers including the Guardian, the Financial Times, and the Daily Telegraph. She was formerly a design columnist at the Independent and the Lisbon correspondent for Monocle magazine. More info here .

The Crime Stack is a benefit for Sisters in Crime members. Every month there are 20 books to win in a random draw of members.

Join now and be in the running for a complimentary paperback copy of Opal.

Affirm Press is sending copies of The Crag, the September Crime Stack prize to: Dianne Bull (VIC); Jessie Byrne (SA); Nina Campbell (SA); Mirna Cicioni (VIC); Natalie Conyer (NSW); Christine De Kock (VIC); Garry Disher (VIC); Ilsa Evans (VIC); Beverly Goldfarb (TAS); Christine Gregory (VIC); Jackie Hahn (SA); Pam Harvey (VIC); Jennifer Kloester (VIC); Lucia Nardo (VIC); Sarah Nikolsky (VIC); Mirandi Riwoe (QLD); Emma Sachsse (SA); Susan C Stenson (NSW); Ann Turner (VIC); and Anna Weatherly (ACT).