Gulliver's Travels by Jonathan Swift
This is a complete novel about political satire.
Don Quixote by Cervantes
This novel is about an ordinary man who one day goes "off the wall". He begins to ride around and fighting enemies and believing that he is a "knight".
"The Secret Life of Walter Mitty" by James Thurber
This is a novel about a person denoting an ineffectual person who spends more time daydreaming then worrying about the real world.