Crooked Oak Mysteries Series 3 Books Collection Set by Dan Smith

Nancy's parents are acting weird. Their eyes are blank, they won't eat - it's like they're no longer themselves. Pete and Krish are obsessed with unexplained phenomena and when they offer to help Nancy investigate, they're sure they can crack the case. But the deeper the trio dig, the darker the mystery gets ... Crooked Oak is under attack from a dangerous foe, and they're the only ones who can stop it.

What’s hiding in Harwood Forest?When Pete, Nancy and Krish arrive at Heathland Camp for a school trip, they’re in for an adventure – just not the kind they were expecting.Nearby sits the abandoned Harwood Institute. The crumbling buildings are out of bounds but strange screams come from the surrounding forest at night. Mystery shrouds the events that took place at the institute during the war, so Pete and his friends make it their mission to find out the truth. But the forest is hiding a sinister secret, and the trio could be in real danger ...Are some mysteries best left undisturbed?

When an unidentified plane crashes in the fields next to Dunwick Farm in Crooked Oak, it quickly becomes clear that it was carrying some unusual cargo. As people in the town fall suddenly ill and animals start behaving strangely, friends Pete, Krish and Nancy try to find out what was in the glass boxes on board the plane.But as they uncover the facts, the trio realise that they are becoming entangled in a terrifying web...