The Sword Of The Dawn: Michael Moorcock

Book III of The History of the Runestaff. In Earth's dim future the Dark Empire had grown more powerful - so powerful that it threatened to destroy even the well-protected province of Kamarg. Only the ancient crystal machine of the wraith folk could save Karmag's people by warping them into another dimension. And so, they found sanctuary. But Dorian Hawkmoon knew that sanctuary was an illusion - and suffocatingly dull! He knew his destiny was still ruled by the Runestaff - but while he strove to discover where in time and space he was, King Huon's scientists perfected deadlier war machines. The armies of the Dark Empire spread further and faster across the globe, staining the map with blood...Cover art by  Jill Bauman