The fabulous Sumi crown jewels are up for sale-including the Mask of Sumi, a beautiful yet strangely repellent object. When the jewels are stolen, and taken on board ship by a woman, the Baron follows, only to find himself involved in a murder and in the midst of some very messy oriental politics.

As World War II enters the ‘beginning of the end’, Dr. Palfrey and Z5 are tasked with locating many of the doctors, scientists and other prominent people who have been imprisoned by the Nazis all over Europe. This action packed adventure follows progress as they proceed from the Baltic to the very heart of the enemy’s stronghold: Berlin.

A young employee of a Gallery is suspected of stealing jewellery. The crimes she is accused of then grows to include arson, and even murder. John Mannering (aka ‘The Baron’) comes to her aid and believes she is being framed, but the evidence grows and as Mannering draws closer to the truth, those he suspects start to die - the intrigue deepens.

Why is George Morrow being threatened? Why was Jimmy Garfield murdered? What was really in the box that he kept in the seat of his wheelchair? John Mannering - alias ‘The Baron’ - takes on another spine-tingling adventure and seeks to solve the mystery.

There is a suicide at London Airport, an attempted murder in Kowloon, and a girl had been strangled. Then there is an ocean liner with its passengers under sentence of death. Roger (‘Handsome’) West of the Yard flies out to assist the Sydney Police prevent a madman unleashing destruction on an unprecedented scale.

A VIP mysteriously disappears, and a diamond smuggling ring appears to be operating out of South Africa. Chief Superintendent Roger (‘Handsome’) West of Scotland Yard is sent out to investigate, but is lead into difficult and dangerous situations.

An international gang set out to steal the Sarum Magna Carta. It is protected by the most sophisticated security measures, but that won’t be allowed to get in their way. Pitted against the gang, Superintendent Roger West of Scotland Yard has to recover the document and solve one of the most ambitious crimes met in his long career.

A pattern is developing – murder committed by a man who stops cars being driven by prosperous businessmen – and Roger (‘Handsome’) West of Scotland Yard must solve the case. West has problems in getting to the truth as people he is trying to protect lie, and his assistant falls in love with a witness. Meanwhile, the murderer is at large ...

Each previous owner of ‘The Diamond of Tears’ had been tortured and met a murderous end. Jacob Bernstein was the fifth in line and was to become a victim, which resulted in John Mannering (aka ‘The Baron’) beginning an investigation which proved to be intriguing and dangerous. Why is ‘The Baron’ himself now in danger?

In an English Village and an American City life goes on as normal. Then a choking, yellowish smog begins to creep along the ground. It is an eye-stinging, killing miasma. Dr. Palfrey and Z5 deploy to head off the threat. One mystery follows another and a fantastic, yet disturbing light is shined on a problem that is all too real ...