E. Phillips Oppenheim's 'The Kingdom of Earth' is a novel that enigmatically intertwines romance with the allure of royal intrigue. The narrative pivots around Grace Pellisier, a captivating actress, and her encounters with the enigmatic Mr. Peter. Set against a tapestry of glamorous European backdrops, the St. Moritz encounter weaves through a web of speculation and societal fascination. As the q...