sentences:  Later, Maia meets an orphaned half Xanti, half British boy called Finn Taverner and finds out that he was the boy who gave her a ride to Clovis's act.Two detectives, Mr. Trapwood and Mr. Low, whom Maia nicknames "the crows", are chasing him because his grandfather, Lord Aubrey Taverner, wants to find the heir of Westwood, the estate of the wealthy Taverner family.Finn doesn't want to go because of the terrible memories his father had of living in Westwood, and because he wants to travel up the Amazon to where the Xanti, the Native tribe to which his mother belonged, live.