No Mercy

* Don''t miss GUILTY, the brand new novel from Martina Cole. Out now. *

Family always comes first. Until now.

Get ready for the ultimate summer read with the explosive new novel from Sunday Times No.1 bestseller and ''undisputed queen of crime writing'' (Guardian) Martina Cole.

Diana Davis has been head of the family business since the death of her husband, an infamous bank robber. She''s a woman in...