The Case Of The Registered Letter by Augusta Groner is a classic detective story that follows the clever Inspector Joseph Muller as he investigates a mysterious crime. The plot is filled with twists and turns, keeping readers on the edge of their seats as Muller unravels the truth behind the case.

Groner's writing is engaging and atmospheric, drawing readers into the world of late 19th-century Vienna. The characters are well-developed and interesting, adding depth and complexity to the story. Muller is a particularly compelling protagonist, with his sharp mind and keen investigative skills.

Overall, The Case Of The Registered Letter is a gripping and entertaining mystery novel that will appeal to fans of the genre. Groner's storytelling is engaging and suspenseful, making this book a must-read for anyone who enjoys a good detective story.

Book Description:
A man is found shot dead and the man to whom all evidence points insists he is innocent.