When you come across a book titled A Plague of Unicorns , it kind of makes you pause and wonder what on earth that could be about! In that first autumn of Aelian's rule, when the golden apples were at their ripest, the battle lines were drawn--monks against unicorns. It was never a fair fight. Young James, the duke's son, asks too many questions. At least that's what everyone at Callendar Castle thinks after all but the last of his tutors quits and his uncle ships him off to be educated at Cranford Abbey. Unfortunately, the once-beautiful abbey has problems of its own, including cracked walls, a leaking roof, and shattered stained glass windows. Not to mention the pesky herd of unicorns that continues to enter the abbey's orchards and claim them as their own. The only hope to save the abbey, it seems, is money raised by Abbot Aelian's golden apple cider, made from a recipe passed down in his family for genera...