Who killed Charles McCarthy? And why? Was it really his son? Sherlock Holmes, the famous English detective, must answer these questions.
His friend, Dr Watson, helps him to find the murderer.
Penguin Readers is a series of simplified stories which introduces you step-by-step to the literature that has made Penguin Books world famous. This series offers you classics, best-sellers, film-titles and original stories. Each book has extensive exercises, a detailed introduction and clear information about the syllabus. They are published at six levels from Beginner (300 words) to Advanced (3000 words).