Sherlock Holmes & Mystery of Boscombe Pool New Edition (Penguin Readers (Graded Readers)

Who killed Charles McCarthy? And why? Was it really his son? Sherlock Holmes, the brilliant detective, must answer these questions with the help of his trusted friend Dr Watson.
An intriguing story – with Sherlock Holmes, the most famous and most eccentric detective in English literature, using his detective powers to solve the mystery.