Coming October 13th, the highly anticipated book 8 in the Runelords series.

In a time of myth and legend, among the Runelords it is told that
there was once One True World, whole and perfect. But an ancient
enemy sought to wrest control of it, and the world shattered into
countless "shadow worlds," each a dim reflection of that bright,
perfect world. Armed with his sorcerous powers, Fallion Orden has
sought to bind two worlds, but it is an experiment that goes terrbily
awry, for now Fallion discovers that he has unleashed his ancient
enemies upon his own world. . . .