Peril at Cranbury Hall: A Positronic Book - Paperback

The Murders in Praed Street: A Positronic Book - Paperback

The Murders in Praed Street: An Impact Book - Paperback

The Murders in Praed Street - Paperback

The Murders in Praed Street - Paperback

Dr. Priestley Investigates: A Positronic Book - Paperback

The Elusive Bullet (Fantasy and Horror Classics) - Paperback

Dr. Priestley's Quest: An Impact Book - Paperback

Dr. Priestley Quest: A Positronic Book - Paperback