Any Discworld book with Rincewind is genius. Actually, ALL Discworld books are genius. Read the Night Watch Series. The Chronology is Guards, Guards!, Men At Arms, Feet of Clay, Jingo, The Fifth Elephant, and Night Watch.
Commander Vimes makes more sense than any other hero ever written about in a book.
For example, Vimes's view on detectives:
Just because a man's wearing ratty clothes, has a tattoo and has bits of grout and cement on his clothes doesn't mean he's a mason who did a tour of service in the navy and has recently fallen on hard times; he could very well be a small business owner who put on some old clothes to build a barbeque pit in his back yard and got the tattoo when he was drunk and seventeen (which are often synonymous terms).
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It was such a waste of everyone’s time and money that even the Tokyo stadium’s rape robots apologized– something they were programmed specifically never to do.