"When a teenage joyrider crashes a stolen car and ends up in a coma, a routine DNA test reveals a connection to an unsolved murder from twenty-two years before. It's a cold case that should be straightforward. But it's as twisted as the DNA helix itself. Meanwhile, Karen is mired in grief and guilt after the death of her partner. She finds herself irresistibly drawn to another mystery that she has no business investigating, a mystery that has its...

"In the center of historic Edinburgh, builders are preparing to convert a disused Victorian Gothic building into luxury flats. They are understandably surprised to find skeletal remains hidden in a high pinnacle that hasn't been touched by maintenance for years. But who do the bones belong to, and how did they get there? Could the eccentric British pastime of free climbing the outside of buildings play a role? Enter cold case detective Karen Pirie,...

"It's April 2020 and Edinburgh is in lockdown. It would seem like a strange time for a cold case to go hot-the streets all but empty, an hour's outdoor exercise the maximum allowed-but a mere pandemic doesn't mean crime takes a holiday. When a source at the National Library contacts DCI Karen Pirie's team about documents in the archive of a recently deceased crime novelist, it seems it's game on again. At the center of it, a novel: two crime novelists...