Lifeless - Mark Billingham This book sees Tom Thorne volunteer to go undercover on the streets of London as part of an operation to catch whoever is comitting murder on the rough sleepers of the city. It had been a while since I'd read a Mark Billingham and I'd always enjoyed them in the past. I was absolutely gripped to this book. Gritty and dark as always put it completely draws you in. Definitely 5 stars.