John Hall was born in Leeds and worked for twenty-five years as an analytical chemist before embarking on a career as a writer. His stimulating Sherlock Holmes novels are written with a wonderful knowledge of his subject and are highly popular with Sherlockian enthusiasts around the world.
In this new novel, Holmes is engaged by a personal friend of King Edward VII to investigate a very curious will written by an eccentric millionaire. The will contains a series of puzzles, the solution to which will take Holmes, Watson and the reader on an unusual and eventful journey through Edwardian London.