The Tale of Samuel Whiskers (or Roly Poly Pudding) by Beatrix PotterRead about another entry on the list.
Inspired by a rat infestation in the author's home, Samuel Whiskers recounts the adventure of an inquisitive cat, Tom Kitten, who finds himself faced with a pair of giant rats. They tie him up and prepare to bake him in a roll of pastry – but his friends hear the noise.
Also see John Mullan's list of ten of the best rats in literature.
--Marshal Zeringue