Lilies In December is the sole novel and debut work of 19th century literature author and playwright Agustus Montrose. He was inspired by travels to Ireland during the Great Famine. It is widely recognized as one of the best psychological realism novels of the era. It has been praised for its character depth and plot. Published in 1856, it is considered Montrose's greatest work. It is especially popular today in Europe, specifically in Poland and Belgium. It has been deemed as one of the most influential works of the 19th century. It was developed for stage in 1884 by Montrose.