""Letters on the Immortality of the Soul: The Intermediate State of the Dead, and a Future Retribution in Reply to Mr. Charles Hudson"" is a book written by Walter Balfour. The book is a collection of letters that Balfour wrote in response to Charles Hudson's views on the afterlife. Balfour argues in favor of the immortality of the soul and the existence of an intermediate state between death and judgment. He also discusses the concept of future retribution...