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Aliens equipped with venomous claws invade a small town, but the town's teenage population is mobilized to fight the menace.
Prof. Erling and his financial backer Victor build a prototype time machine to snatch objects from the past. Latest find, a statuette, radiometrically dates to 5200 AD! When this draws colleague Richard Hedges to the island lab, Erling reveals that 20th-century objects put in the machine seem to be "traded" for analogous future objects by intelligent life. And on the sly, Victor's been trying to get a living visitor. Does the future need help, or is the present in danger?
A psychopathic young beachcomber pretends to befriend a mother and two daughters living at their summer home.
In 1905, a man travels to a remote island in search of his missing sister who has been kidnapped by a mysterious religious cult.
