The lost continent
A titanic sea storm forces American lieutenant Jefferson Turck to disobey the law and sail to England, where he finds that two centuries of isolation have brought about destruction.
In the year 2137, the Old World and the New have been separated for more than two centuries in the aftermath of a devastating war. Finally, an American naval officer, his ship caught in a storm, is forced to land in England, where he finds tigers running wild in Devon (among other sad wonders), in this reprint of Edgar Rice Burroughs's The Lost Continent: A Tale of the Lost Continent, first published in 1917.
Alternative history of WWI
Lost Continent is about what occurred when America code to remain isolated instead of joining in WWI. An invasion take on what might have happened as Europe became the lost continent separated and decaying from long wars.