Five on Kirrin Island Again by Enid Blyton - old paperback
In book six, Uncle Quentin has locked himself away on Kirrin Island. What's he up to and why won't he let anyone visit? Then the Famous Five discover that a suspicious stranger is watching Uncle Quentin's every move.
Can the Famous Five warn Uncle Quentin in time?
This edition features the original cover art and inside illustrations by Eileen Soper.