Haven's LegacyWhen Parker and Ellie McFadden's mysterious aunt Sadie shows up in the aftermath of the dramatic events at Haven House, they realise their world is about to get a lot bigger. They've been invited to join an underground society called the Sentry, a group comprised of powerful individuals tasked with protecting the planet. At Mountain Harbor, a summer training camp for junior members of the Sentry, Ellie and Parker will be given a chance to hone their