"The Calling" is an exciting science fiction novel from the famous author George Oliver Smith. The book tells the story of the main character, who finds himself in the future, in a world where technology and magic are intertwined. Incredible adventures, mysterious events and incredible discoveries await the reader on every page of this fascinating book. "Vocation" is a work that will make you immerse yourself in the amazing world of the author's imagination and enjoy every word until the last page.