Jess Armstrong is an American author known for her atmospheric historical mysteries. She made her debut with "The Curse of Penryth Hall," a Gothic mystery set in post-World War I Cornwall that captivated readers with its brooding manor house intrigue and compelling protagonist. Armstrong followed this success with "The Devil in Oxford," continuing her exploration of dark secrets and suspenseful storytelling in historical settings. Her novels blend elements of classic Gothic literature with page-turning mystery, featuring strong female characters navigating dangerous circumstances. Armstrong's evocative prose and meticulous historical detail have established her as a distinctive voice in contemporary historical fiction.