The Rogue's Syndicate (Aka The Maelstrom)

Knifing, arson, speeding cars and shoot-to-kill thrills.

Lost in a London fog, young Jimmie Hallett is suddenly confronted by a frightened woman who hands him a package and flees. Who is she and why has he been given the package? Within hours, it is discovered that the girl’s father has been killed and Jimmy is questioned about the murder and to complicate matters it seems he is also to be involved in an international conspiracy. Detective Weir Menzies of Scotland Yard is tasked with taking on an unknown gang of organized thieves and killers. Can he succeed?

What is unusual about this book is that the author Frank Froëst, was himself a detective of international fame.