The Lock In by Phoebe Luckhurst Hardback Book 9780241508756

The Key In The Lock by Beth Underdown Paperback Book 9780241991732

The Locksmith by Linda Calvey Paperback Book 9781787397552

The Back Up Man by Phoebe Luckhurst Paperback Book 9781405949507

The House with Nine Locks by Philip Gray Hardback Book 9781787304420

The Three Locks by Bonnie MacBird Paperback Book 9780008380878

Love In Lockdown by Chloe James Paperback Book 9780008430573

The Locked Door by Freida McFadden Paperback Book 9781464221354

The House by the Loch by Kirsty Wark Paperback Book 9781444777666

Locks by Ashleigh Nugent Hardback Book 9781529097894

The LockIn An Anthology of Short Stories by Tony Black Paperback Book 9780857162601

Locked In by Jussi AdlerOlsen Hardback Book 9781529434545

Locked In by Jussi AdlerOlsen Paperback Book 9781529434583

The Body In the Mist by Nick Louth Paperback Book 9781788635509

The Luck of the Bodkins by P.G. Wodehouse Paperback Book 9780099514091

Locked In Pursuit by Ashley Weaver Hardback Book 9781250885906

The Locked Attic by B P Walter Paperback Book 9780008446123

The BreakIn by Katherine Faulkner Hardback Book 9781526675439

The House In the Water by Victoria Scott Hardback Book 9781835616901

Lock In by John Scalzi Paperback Book 9780575134355

You Let Me In by Lucy Clarke Paperback Book 9780008262570