ISBN: 0-246-12205-6
At Crydee, a frontier outpost in the tranquil Kingdom of the Isles, an orphan boy, Pug, is apprenticed to a master magician - and the destinies of two worlds are changed forever. Suddenly the peace of the Kingdom is destroyed as mysterious alien invaders swarm through the land. Pug is swept up into conflict but for him and his warrior friend, Tomas, an Odyssey into the unknown has only just begun. Pug's destiny is to lead him through a rift in the fabric of space and time to the mastery of the unimaginable powers of a strange new magic ...
Published in 1988 by Grafton, this is the 2nd hardback edition published in the UK (preceeded only by a Granada edition in 1983 - most copies of which went to libraries). Featuring different cover artwork (Jeff Taylor), matching that of the paperback. which was released at the same time. Originally priced at £12.95, containing 545 pages.
Copies of this in hardback are rare. I've actually come across more copies of the 1st UK edition, than this edition! If you can find a copy expect prices of £300 and up.