“Ponies, llamas, rabbits,” Williams recited to Silvanus’s growing dismay, “maybe pigs and chickens — oh, and goats.”

“Goats,” repeated Silvanus, “like Aberforth keeps at the Hog’s Head?”

“Er,” said Williams eloquently, because of course she wasn’t old enough to patronize the Hog’s Head, so of course she and her friends had already been there on a dare, and she knew firsthand that those goats were hard-headed, mean-tempered bullies that absolutely would not be allowed in a petting zoo.