Pyramid Scheme

An alien pyramid has appeared in the middle of Chicago. It is growing, destroying the city as it does-and nothing seems able to stop it, not even the might of the US military. Somehow, the pyramid is snatching people and - for unknown reasons - transporting them into worlds of mythology. One of the victims, Dr Lukacs, is an expert on mythology, but myths are not something he'd expected to encounter personally. Sure, he has a couple of tough paratroopers along with him, as well as a blond Amazon biologist. But their modern weapons don't work, and the Greek gods are out to kill them all...