In this impassioned sequel to The New Revelation, Arthur Conan Doyle deepens his defense of spiritualism in The Vital Message. Written in the aftermath of World War I, the book offers solace through a spiritual framework, insisting that communication with the departed is not only possible but essential. With logical argumentation and heartfelt conviction, Doyle appeals to science, religion, and reason in his mission to elevate spiritualism as a vital truth of human existence.

Sir Arthur Conan Doyle (1859–1930) was a Scottish author, physician, and spiritualist best known for creating the legendary detective Sherlock Holmes. Born in Edinburgh, he studied medicine at the University of Edinburgh, where his storytelling talent began to emerge alongside his scientific education. Though initially practicing as a doctor, Doyle turned to writing to support himself, eventually achieving worldwide fame with the publication of A Study in Scarlet in 1887. Beyond detective fiction, he explored historical novels, science fiction, and supernatural themes, notably in the Professor Challenger series. A passionate advocate for justice, he was involved in several real-life legal investigations. In his later years, Doyle became deeply involved in spiritualism, dedicating much of his time and writings to life after death. His legacy endures as one of the most influential figures in literary history.