Notes

On cover: Deep secrets surface on a school trip Summary: Twins Scarlet and Ivy Grey can't wait to sign up for the school trip and get away from lessons for a few days. But nothing is as it seems; the creepy lakeside hotel and the deep waters of Lake Seren hide dark secrets. Precious things disappear from the rooms, a malicious force leaves a trail of destruction and mysteries start to surface. If they ever hope to leave this place, the girls from Rookwood School must face the danger head on Scarlet and Ivy 4