"The Avenger" by E. Phillips Oppenheim is an exciting detective novel that tells about the adventures of the charming and mysterious Henry Strangeway, who, disguised as a musician, came to the house of a banker and his wife. However, in fact, his goal is to solve the crime that was committed in this house. Convoluted plot, unusual circumstances and unexpected turns of events make this novel an exciting read for lovers of detectives and mysteries. "The Avenger" is a classic example of a British detective story that is sure to keep you in suspense until the last page.