Yes, Mr Bunnsy Has an Adventure was the cause of much discussion amongst the Changelings. What was it for? Was it, as Dangerous Beans believed, a vision of some bright future? had it been made by humans? The shop had been for humans, true, but surely even humans wouldn’t make a book about Ratty Rupert the Rat, who wore a hat, and poison rats under the floorboards at the same time. Would they? How mad would anything have to be to think like that?

– on humans and rats | Terry Pratchett, The Amazing Maurice and his Educated Rodents