The Last Town on Earth is a 2006 novel by Thomas Mullen. The novel focuses on the town of Commonwealth, Washington in 1918 during World War I and the emergence of the Spanish Flu. The town agrees to quarantine itself from the outside world, to hopefully save itself from the flu. Unfortunately, Phillip Worthy, the adopted son of Charles Worthy, the town founder, brings a lost soldier into the town and while it seems as if the soldier is perfectly healthy, the flu comes into Commonwealth anyway causing the town to start turning on each other.