If you want to survive in this world there's one thing you need to value above all else: loyalty.

Don't miss the explosive new novel from the queen of crime Martina Cole, coming in 2020.

'She's a total one-off' Guardian

'The stuff of legend' Mirror

'Superstar crime writer' This Morning

'There really is only one Martina Cole' Closer

'The undisputed Queen of crime writing' Erwin James