Did you love "Charlotte's Web?" The Freddy the Pig detective series? "Emmett's Pig?" Surely there's a soft spot in your heart for Toot & Puddle.
This one's for you. Oxford University Press prohibits the mention of "pigs plus sausages, or anything else which could be perceived as pork," according to authors.
And OUP responds to the claims here.
And if none of those above titles ring a bell, zip over to your closest branch and chat with a librarian. There's a world of porcine literature awaiting you! The Friends particularly like the Olivia series...