The Land That Never Was: Sir Gregor Macgregor and the Most Audacious Fraud in History is my all-time favourite. It's a (non-fiction) historical account of a Scotsman who sold non-existent bits of Panama to other Scotsmen.
Look up the Poyais scam for a good laugh.
https://www.amazon.co.uk/Land-That-Never-Was-MacGregor/dp/0306814110