Dying of the Light: Martin George R. R.

A whisperjewel from Gwen Delvano calls Dirk t`Larien across space and beyond the Tempter`s Veil to Worlorn, a dying Festival planet of rock and ice. Warlorn is slowly drifting through twilight to neverending night; as the planet sinks into darkness, so its inhabitants face annihilation.
Seven years ago, on Avalon, Gwen was Dirk`s lover, his Guenevere; now she wears the jade-and-silver bond of Jaantony Riv Wolf high-Ironjade Vikary, a barbarian visionary, an outcast from his own people for his acts of violence. And Garse Janacek, Jaan`s *teyn*, his shieldmate, is also bound to Gwen - in hatred. Dirk, a rogue and a wanderer, is called to be saviour of the three who are bonded together in love and hate.
But in breaking their triangle, he could lose all ...