The Curse of the Mistwraith - Volume 1 of The Wars of Light and Shadow (Janny Wurts)

They are half-brothers, divided by the vicious throes of a blood fued - Lysaer, a prince raised as heir to a crown, and Arithon, brought up by mages.  One bears the gift of the power of light and the other, command of darkness.  Exiled to a world not their own, the pair must find common ground to defeat the Mistwraith that has banished the sun.

Yet there is more at stake than one battle with the Mistwraith - as sorcerers of the Fellowship of the Sever know well.  For between them the half-brothers hold the balance of the world, its harmony and its future, in their hands.

The Ruins of Ambrai - Book 1 of Exiles (Melanie Rawn)

A thousand years ago the Mageborn fled prejudice and persecution to colonise the planet of Lenfell.  But as well as their magic they brought hatred - and plunged Lenfell into war.  A war that let loose Wild Magic and unleashed the hideous Wraithenbeasts.

Generations later peace reigns again, but the old rivalries between the Mage Guardians and the Lords of Malerris die hard and 3 sisters are about to find themselves on different sides of a terrifying new war.

Glenin schooled in the secrets of Malerissi magic, Sarra the foster child and Cailet the Mage Guardian's last and best hope.  Will their conflict let loose the Wild Magic and the terrifying Wraithenbeasts to wreak havoc on the world again?

The Cage of Nine Banestones - Volume 3 of Pearl Saga (Eric Van Lustbader)

Kundalans face their darket hour since the V'ornn invasion 101 years ago.  Their prophesised saviour has finally been incarnated, in the body of a young woman named Riane.  But a secret society of outcast sorcerers are plotting her downfall, having gathered together 8 ancient banestones.  Each stone is a source of immence malevolent power, but if the sorcerers find the final missing stone, all 9 together will form an engine of unimaginable destruction, bringing doom to Kundala and all of her inhabitants...