Did You Know...Robert Louis Stevenson

Today's Did You Know features some fun facts about Treasure Island and its author, Robert Louis Stevenson.

Did You Know...

• There have been a total of 25 Treasure Island movies released since 1912 in a wide range of languages?
• Stevenson's stepson, writer Samuel Lloyd Osbourne (1868–1947), painted a map of an imaginary island which inspired Treasure Island?
• The book originally was attributed to Captain George North? It wasn't until five years later, when The Strange Case of Dr. Jekyll and Mr. Hyde was published that he began usinng his real name.
• There is a real Treasure Island? It's in San Francisco Bay – not far from Alcatraz – and used to be a military base.
• It was serialized in Young Folks magazine from 1881-1882, before being released as a book in 1883?
• Captain Flint's ship was called the Walrus?
• Treasure Island was the starting point for many of our notions of pirating? For instance, pirates using treasure maps--with X marking the spot, seamen with parrots on their shoulders, the idea of the black spot, pirates and tropical islands, etc.
• Stevenson fell in love with a married American from San Francisco called Fanny Vandegrift Osbourne, when they met in France in 1876? They were married in 1880 after she divorced.
• At birth, he was registered as Robert Lewis Balfour Stevenson, but he never used the name Balfour? He also changed Lewis to Louis.
• His father and grandfather, Thomas and Robert Stevenson, were both engineers and were called the Lighthouse Stevensons? Between them they built most of the lighthouses in Scotland.
• The Samoans of Upolu called Stevenson Tusitala, which in the local language means Storyteller?

What little known facts do you know about Robert Louis Stevenson or Treasure Island?