Portrait of a Parish Priest: St. John Vianney, the Cure d'Ars is a 1958 biography by Lancelot C. Sheppard that details the life and legacy of Saint John Vianney, a 19th-century French Catholic priest known for his unwavering devotion, profound humility, and extraordinary success in guiding souls to conversion and spiritual renewal in the remote village of Ars. The book, published by Burns and Oates, explores Vianney's struggles with formal education, his deep faith, and his tireless work in the confessional, which made him the patron saint of parish priests worldwide.