Today, hardly a month passes without some dramatic and sometimes tragic discovery being made along the old killing fields of the Western Front. Graves of British soldiers buried during battle - still lying in rows seemingly arm in arm or found crouching at the entrance to a dugout; whole 'underground cities' of trenches, dugouts and shelters have been preserved in the mud; field hospitals carved out of the chalk country of the Somme marked with graffiti;...

Excavating the unsettling remains of a Norse society under attack, they also come to uncover their own demons, as it becomes apparent that a plague pandemic is sweeping across the planet and communication with the outside world is breaking down. Increasingly unsure whether their missives will ever reach their destination, each of the characters writes a letter to someone close to them, trying to make sense of their situation and expressing their fears...

It is high summer in rural Northumberland. Seventeen-year-old Silvie and her parents have joined an encampment run by an archaeology professor with an interest in the region's dark history of ritual sacrifice. As Silvie finds a glimpse of new freedoms with the professor's students, her relationship with her overbearing father begins to deteriorate, until the haunting rites of the past begin to bleed into the present.

Forensic archaeologist Ruth Galloway has excavated a body from the grounds of Norwich Castle, a forbidding edifice that was once a prison. She believes the body may be that of infamous Victorian murderess Jemima Green. Called Mother Hook for her claw-like hand, Jemima was hanged in 1867 for the murder of five children in her care. DCI Harry Nelson has no time for long-dead killers. Immersed in the case of three infants found dead, one after the other,...