The Hound of Rowan

The Hound of Rowan (2007) is the first book of the Tapestry Series illustrated and written by American author Henry H. Neff, about a twelve-year-old boy named Max McDaniels who comes across a strange Celtic tapestry one day in a secret room in a museum. Max finds a letter in his coat pocket afterwards that leads him to Rowan Academy, a secret school where other gifted students like him go.