
The Queen's Head
Paperback / softback

The Railway Detective
Paperback / softback

The Railway Detective's Christmas Case
Hardback

The Railway Detective's Christmas Case
Paperback / softback

The Railway Viaduct
Paperback / softback

The Ravens of Blackwater
Paperback / softback

The Ravens of Blackwater
Hardback

The Repentant Rake
Paperback / softback

The Roaring Boy
Paperback / softback

The Runaway Heiress
Paperback / softback

The Season
Paperback / softback

The Second Lady Silverwood
Paperback / softback

The Secret Chronicles of Sherlock Holmes
Paperback / softback

The Secret Documents of Sherlock Holmes
Paperback / softback

The Secret Files of Sherlock Holmes
Paperback / softback

The Serpents of Harbledown
Paperback / softback

The Sewing Room Girl
Paperback / softback

The Sewing Room Girl
Hardback

The Silent Resistance
Hardback

The Silent Resistance
Paperback / softback

The Silent Woman
Paperback / softback

The Silk Tree
Paperback / softback

The Silver Locomotive Mystery
Paperback / softback

The Skeleton Man
Paperback / softback