Marie Belloc Lowndes (1868–1947) was a prolific English novelist and a master of psychological suspense. Born to a French father and an English mother, Lowndes grew up with literary influences, as her mother was a writer and her brother, Hilaire Belloc, became a well-known historian and poet. Throughout her life, Lowndes penned more than 40 novels and numerous short stories and essays, gaining considerable acclaim for her keen exploration of the human psyche and the societal issues of her time. Her most celebrated work, 'The Lodger' (1913), stands as a seminal psychological thriller. Inspired by the infamous Jack the Ripper murders, the novel delves into the story of a London family who suspects their mysterious lodger may be a notorious serial killer. The success of 'The Lodger' was significant, both critically and commercially, and it ultimately enjoyed several film adaptations, most notably by Alfred Hitchcock in 1927. Lowndes' literary style is characterized by her methodical build-up of suspense, her intricate character development, and her ability to weave intricate narratives that often explore themes of suspicion, guilt, and the darker aspects of human nature. Her nuanced approach to storytelling established her as a critical figure within the genre of mystery and detective fiction, and her works continue to engage readers with their timeless and atmospheric quality.