Journey of the Wild Geese Book

Update All we need now is a "lost" manuscript by Twain to be found by some lawyer with the story being about an adult Tom Sawyer and this book being the one the editor "forced" Twain to write. I know you are probably thinking that is taking Harper Lee's Go Set a Watchman to far, but what if that was just the beginning of a new initiative from publishers. It could be the latest fashion now no-one is interested in vampires any more?
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What happened to Tom after he grew up was asked in a review by a friend. Thinking back on the times, his character and the author, I've come up with three possible ideas.

1. He became a bank manager and magistrate in a very small town. He married Becky and both put on a lot of weight. They had no children but three yappy toy spaniels whom they doted on. Mas Thomas Sawyer allowed no leeway with naughty boys and the cane was much in use.

2. Tom with Huck and Jim found a treasure trove and were given a big reward. Aunt Polly invested it until Tom was 21. Tom, Huck and Jim bought a steamboat together, converted it into a casino and plyed the Mississipi offering Black Jack and Jack Daniels at every stop.

3. At 18, Tom ran away to New Orleans and took up with a beautiful Creole woman with pale coffee skin and became a preacher in a loudly charismatic church. He and his wife had a whole brood of multi-coloured kids whom they named for the virtues, Abstinence, Doughty, Chastity, Patience, Industrious and Worship. In later life he met Marie Laveau and went to the dark side, a confirmed believer in Voodoo.

Or...