Andrew Lane is the author of twenty-nine books and multiple short stories, television scripts and audio dramas. He is perhaps best known for his Young Sherlock series, which have sold to 42 countries. He has also written three well-reviewed adult crime novels under a pseudonym, the first of which has been optioned as a US TV series. He is currently writing another series featuring Doyle’s Professor Challenger. He lives in Dorset.

Guy Adams trained and worked as an actor for twelve years before becoming a full-time writer. He is the co-author of The Case Notes of Sherlock Holmes, has written several tie-ins to the TV series Life on Mars. His most recently published novel is Restoration, the follow-up to the much-praised horror novel, The World House.