My favorite author ever. It doesn't matter which book you read, although A Connecticut Yankee in King Arthur's Court ends a bit chaotically. If you've never read Mark Twain, treat yourself. Tom Sawyer and The Prince and the Pauper make good "starter" novels if you've never indulged. Prepare to laugh and think at the same time.

I really like Adventures of Tom Sawyer and Adventures of Huckleberry Finn! It's been a long time since I last read them, but I must have re-read Tom Sawyer at least 4-5 times in my teens.