A Plague of Unicorns | Jane Yolen
James, an earl's son and bothersome child, may hold the key to saving Cranford Abbey, a dilapidated school where he is sent to be educated, that newly-appointed Abbot Aelian thinks can be saved if he can make cider from the golden apples now being eaten by ravenous unicorns.
A Plague of Unicorns | 
