The prosperous people of Northland, a linear city hundreds of miles long created by the building of a Wall to hold back both the North Sea and the empires of the Bronze Age, contend with a threat from the East when decades of drought bring instability to the Eastern civilizations.

During World War II, Germany launches a successful invasion of England. But in secret they are waging a war on an even larger scale. Trapped in the middle of it is Mary Wooler, an American historian caught in the Blitz and tangled up in strands of history; her son Gary, fighting a ruthless invader at civilization's frontier; and Ben Kaman, a Jewish refugee whose very dreams place him at the heart of a conspiracy that threatens the very fabric of the...

As the fearsome war between Christianity and Islam leaves its mark across the land, a rogue Spanish priest dreams of the final defeat of Islam, for he has found a rent in the tapestry of time, a point where agents from the future used diabolical weapons of destruction to change history. Centuries later, in 1492, as men of vision weary of the strife and are drawn to the unknown West, one such explorer seeks the funding for his voyage--while a mysterious...