Ace, New York, 1981, 1st pr thus.  ISBN 0-441-79138-7.  MMPB, 251 pages including Guide to Pronunciation.  Wraps show some edge and cover wear, tiny corner creases, a bit of age toning/spotting.  Interior clean and unmarked; printing flaw near bottom of pp. 249/50 with text still readable.  ‘”I have seen the palace of Connacht’s king, and served a king in Leinster and another in Dalriada, and it’s the halls of their keeps these feet have trod.  But that man-raised mountain would hold all Leinster’s palace….aye, and a tenth of the kingdom of King Gol of Dalriada in Alba as well!”  So declared Cormac mac Art, exiled hero of Errin, when first he saw the castle of the grim serpent-kings.  But neither he nor his giant comrade-at-arms, Wulfhere Skull-Splitter, knew that the twist of fate that had washed them onto that bleak shore was the beginning of a strange and perilous adventure; an adventure that took them back to the land of Errin, where a proud princess battled with a usurper for an ancient throne.’ (from rear wrap)