It's been almost five years since the shadow of the predator universe, the Umbra, vanished from the cosmos, and things are finally back to normal... except... Tifanny 'Gia, physicist and honorary member of the Explorers' Society, is secretly forming a team to investigate a newly discovered ruin of the ancient world. Its cyclopean edifice contains granite that gives off radiation that can only come from the previous universe! But Tiffy and her young band of whippersnappers need an old hand to show them the ropes...
