The Locked Attic by B P Walter Paperback Book 9780008446123

The Locked Room by Per Wahloo Paperback Book 9780007439188

The Locked Door by Freida McFadden Paperback Book 9781464221354

The Attic Child by Lola Jaye Paperback Book 9781529064582

The Attic Child by Lola Jaye Hardback Book 9781529064568

The Locked Room by Elly Griffiths Paperback Book 9781529409673

Locked On by Mark Greaney Paperback Book 9780241961940

The Three Locks by Bonnie MacBird Paperback Book 9780008380878

The Watcher by Charlotte Link Paperback Book 9781409121220

The Lock In by Phoebe Luckhurst Paperback Book 9781405949521

The LockUp by John Banville Paperback Book 9780571370993

The Locksmith by Linda Calvey Paperback Book 9781787397552

Someone In the Attic by Andrea Mara Hardback Book 9781787636521

The Black Loch by Peter May Paperback Book 9781529436105

The Second Death of Locke by V.L. Bovalino Hardback Book 9780356524887

Bluebird Bluebird by Attica Locke Paperback Book 9781781257685

The Haunted by Bentley Little Paperback Book 9780451236371

The Black Loch by Peter May Hardback Book 9781529436068

The Heretic by Liam McIlvanney Paperback Book 9780008259990

The Lucky Escape by Laura Jane Williams Paperback Book 9780008365455

The Other Child by Lucy Atkins Paperback Book 9781782069874