One of Doyle's novels about the exploits of the intrepid Professor Challenger, this book was heavily influenced by the beliefs of Spiritualism, which Doyle became interested in after the death of his son, brother, and two nephews in the First World War.
One of Doyle's novels about the exploits of the intrepid Professor Challenger, this book was heavily influenced by the beliefs of Spiritualism, which Doyle became interested in after the death of his son, brother, and two nephews in the First World War.