A thrilling adventure story about bravery, friendship and the power of perseverance.
It is the week before Halloween, and Sophie Watson is enjoying a visit from her best friend Sienna. But when strange things happen as the girls are walking through Crook’s Wood, Sienna is determined to find out what’s going on.
Their investigations lead them to an underground secret and the truth about Heath Grange, the woodland home of mysterious Professor Felso.
But is their search leading them into danger? An enemy from the past is watching their every move, and they might be walking into a trap.
Can the girls discover the truth before it’s too late? The fate of the town is in their hands.