"A Son of the Immortals" by Louis Tracy is a novel written in the early 20th century. The story revolves around its central character, Alec Delgrado, who unexpectedly finds himself thrust into a royal lineage and the responsibilities of kingship after a revolution in his homeland of Kosnovia. The book delves into themes of identity, ambition, and the struggles between personal desire and duty. The opening of the novel introduces Joan Vernon, a vibrant artist in Paris, as she encounters Alec, who is revealed to be a prince of a fallen dynasty. Their flirtation hints at a budding romance, which is complicated by Alec's newfound realization of his royal destiny. As the narrative unfolds, Alec learns that he has been proclaimed king after the assassination of the reigning monarch, and he must navigate his way back to Kosnovia. The stage is set for a journey filled with intrigue, reflecting on the burdens of legacy and the quest for meaningful leadership amid the chaos of political upheaval. (This is an automatically generated summary.)