Kirrin Island belonged to George: it was
her very own, and she felt aggrieved when
her father ‘borrowed’ it for one of his
experiments. And to make matters worse,
he built a mysterious tower in the ruins
of the old castle.
The Five couldn’t really understand Uncle
Quentin’s wish to be left quite alone,
and as it turned out, it was a good thing
that George took matters into her own hands
one night—otherwise there would have been
no more adventures on Kirrin Island, and Timmy would never again have been able to prove how intelligent he was.
This is the Five’s sixth adventure.