by Brian Lumley
Bent on taking over the Earth, the deadly Thone have planted a monstrous device on our planet's surface. Trapped inside is a group of scientists, spies, and innocent bystanders. Part maze, part torture chamber, part laboratory, the House of Doors is a test. If its captives survive, the Thone will withdraw from Earth and leave us in peace. Survival seems impossible. At every turn of the labyrinth the prisoners...
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