This volume combines two comedic mystery novellas featuring the hapless teenage private detective, Tim Diamond, and his significantly smarter younger brother and narrator, Nick. In "The Blurred Man," the brothers investigate a confusing case involving a mysterious, indistinct figure. "I Know What You Did Last Wednesday" is a parody, likely involving a murder mystery at a holiday camp. The stories are characterized by Anthony Horowitz's fast-paced plots, sharp wit, and Tim’s hilarious incompetence, which Nick constantly has to correct, offering a humorous take on the detective genre.