The House That Jack Built (Torchwood #12)
Guy Adams has written books about Life on Mars including the bestselling Rules of Modern Policing, written as DCI Gene Hunt. He's the author of the British Fantasy Society Award nominated Deadbeat series and a handful of children's books, and is currently working on a thirteen-volume horror series for young adults and a replica scrapbook of John Watson MD's time with Sherlock Holmes.  This is his first Torchwood novel.