It could be the mysterious bloodstained man who tries to stop their coach, or the fact no one seems to be around at the brand-new activity centre when Lance and the rest of his class arrive for the Year 6 school trip, but something is definitely not right at Crater Lake! What follows is a fight for survival that sees five pupils band together to save their classmates from an alien fate far worse than death. But whatever happens, they must never, ever fall asleep!Times Children's Book of the Week and #PrimarySchoolBookClub read.