Twelve-year-old David and his family search for their kidnapped mother in the many different time period portals of their home, but when a stranger appears and tries to force them to sell the house, their desperation reaches new heights.
When fifteen-year-old Xander and his family move into an old, abandoned house in the middle of a dense forest outside of a small California town, they discover that not only are some of the rooms portals into other places, but that malevolent forces are at work.
While vacationing in October Mountain State Forest, Damon and Amber witness a flying saucer crash, and, along with Damon's sister Tracy, they begin an investigation that brings them face to face with some very unpleasant Martians.
Now living in Bismarck, North Dakota, Damon Richards, with his friends Kamryn and Jason, find themselves in an unwanted but unavoidable fight against fire-breathing night dragons.
Rosie and Kayo's efforts to follow a man they saw steal an eaglet from its nest in the Cascade Mountains result in their getting lost in the wilderness, but their situation really becomes desperate when they come across a cabin filled with stuffed birds and one hostile poacher.
Mike Sherman and his friend Hayley Winthrop are suddenly transported into Mike's computer and find themselves in a virtual and terrifying world of vampires.
Chad Prescott and his sister Michelle discover that gigantic monsters are living beneath the waters off the coast of South Carolina and must try to destroy them before they take over Dewees Island.
