Cows in Action: The Moo-gic of Merlin by Steve Cole (author)

There’s tons of knightly action in store for the CIA when the gang are sent to Arthurian England! Professor McMoo is determined to show Bo and Pat the truth about King Arthur, Merlin and Camelot. But he’s in for a shock when they arrive. Things have gone cow crazy! King Arthur has renamed Camelot Cow-melot, there are Knights of the Round Stable everywhere, and Merlin has turned into a talking cow named Moo-lin. Can McMoo and his friends figure out what has happened before history changes forever?