Invasion literature (or the invasion novel) is a literary genre most notable between 1871 and the First World War (1914) but still practised to this day. The genre first became recognizable starting in Britain in 1871 with The Battle of Dorking, a fictional account of an invasion of England by Germany. This short story was so popular it started a literary craze for tales that aroused imaginations and anxieties about hypothetical invasions by foreign powers, and by 1914 the genre had amassed a corpus of over 400 books, many best-sellers, and a world-wide audience. The genre was influential in Britain in shaping politics, national policies and popular perceptions in the years leading up to the First World War, and remains a part of popular culture to this day. Several of the books were writt