JK and the Wooden Owl

<p>During a long wet summer holiday Jesper Knasfis and his twin sister Heather are rummaging through the attic of their grandmother's old farm house hoping the sun will start shining soon.</p><p>A large locked trunk catches their eyes and their imagination. The padlock is heavy duty and no key is to be found anywhere.</p><p>What might be inside?</p>