The May Ball
Hardback
The Merry Devils
Paperback / softback
The Moon Tunnel
Paperback / softback
The Mystery of Tunnel 51
Paperback / softback
The Night Raids
Hardback
The Night Raids
Paperback / softback
The Nine Giants
Paperback / softback
The Outrageous Fortune of Abel Morgan
Hardback
The Owls of Gloucester
Paperback / softback
The Painted Lady
Paperback / softback
The Paris Peacemakers
Paperback / softback
The Paris Peacemakers
Hardback
The Parliament House
Paperback / softback
The Patron Saint of Lost Souls
Paperback / softback
The Patterdale Plot
Hardback
The Patterdale Plot
Paperback / softback
The Phoenix of Florence
Hardback
The Phoenix of Florence
Paperback / softback
The Phoenix of Florence
Paperback / softback
The Pimlico Murder
Paperback / softback
The Poor Relation
Paperback / softback
The Poor Relation
Hardback
The Powder of Death
Hardback
The Powder of Death
Paperback / softback