Fergus Hume 's Books
A very well recieved series by Fergus Hume are the books, featuring tropes. The most popular books are The Crowned Skull, Madame Midas, The Opal Serpent, The Bishop's Secret, The Mystery Queen, The Red Window, The Third Volume, The Solitary Farm, Red Money, The Pagan's Cup, A Coin of Edward VII: A Detective Story, Hagar of the Pawn-Shop, which was published in 2022.
The Crowned Skull
Madame Midas
The Opal Serpent
The Bishop's Secret
The Mystery Queen
The Red Window
The Third Volume
The Solitary Farm
Red Money
The Pagan's Cup
A Coin of Edward VII: 
Hagar of the Pawn-Shop