Groundwood, Toronto, 1999, 2^nd paperback ed.  ISBN 0-88899-385-4.  MMPB, 217 pages.  Unread copy with a touch of cover wear.  Winner of the Governor General’s Award.  ‘Mistaken for one of her own ancestors while visiting Tintagel, King Arthur’s birthplace, Morgan Lefevre is summoned through time to the alien world of Nwm.  With only the boy Arddu as companion, she is caught between two cruel magics, the Circle and the Line, who have been fighting one another over the centuries and across many worlds.  When Morgan and Arddu gain possession of an ancient sword of the Third Magic, Earth itself is drawn into the struggle.  Times and worlds merge as Morgan is brought face to face with her own destiny.’ (from rear wrap)