The only thing I really don't get is why Rincewind is on a desert island at the beginning of Interesting Times...
At the end of Eric, he leaves Hell... and we're not told what happens next. It's safe to presume that the exit to Hell dumped him on that desert island. (Hmmm... was Monkey Island out by this point?)
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I find your lack of pants disturbing.
"I wonder how strong human bones are after they shrink..."