Countless un-parallel universes intersect in a place where science and magic function perfectly. A Crossroads World. A world that holds a fantastic and deadly secret. An ultra-advanced species, the Common, govern this world and invite other advanced species to set up enclaves where the planet's extraordinary properties draw an assortment of gods and demons like supernatural moths to a flame. The first human allowed there, Professor David Goldberg, is secretly tasked by Earth's governments to observe the Common.But Goldberg's mission might not be as secret as he thinks. Someone or something with unknown motivations sends truly terrifying monsters bent on taking him down. Opening Wonders. Fantasy, science fiction, mythology, adventure, mystery, rich history-and more.