Sir Arthur Conan Doyle 
New Revelation [PDF ebook] 

Though best remembered as the brilliant writer responsible for bringing master detective Sherlock Holmes to life, Sir Arthur Conan Doyle was a well-regarded thinker with wide-ranging interests, and he addressed many metaphysical and esoteric topics in a series of essays penned over the course of his career. In this volume, Conan Doyle offers some of his insights into the value of personal spiritual experiences and their relationship to traditional religious beliefs.