Titles in this set:

World of Warcraft: Arthas: Rise of the Lich King
World of Warcraft: The Shattering: Book One of Cataclysm
World of Warcraft: Stormrage
World of Warcraft: Vol'jin: Shadows of the Horde
World of Warcraft: Thrall: Twilight of the Aspects

World of Warcraft: Arthas: Rise of the Lich King
Frostmourne.
It was caught in a hovering, jagged chunk of ice, the runes that ran the length of its blade glowing a cool blue. Below it was a dais of some sort, standing on a large gently raised mound that was covered in a dusting of snow. A soft light, coming from somewhere high above where the cavern was open to daylight, shone down on the runeblade.

World of Warcraft: The Shattering: Book One of Cataclysm
Thrall, wise shaman and the war chief of the Horde, has sensed a disturbing change . . . Long ago, Azeroth's destructive native elementals raged across the world until the benevolent titans imprisoned them within the Elemental Plane. Despite the titans' intervention, many elementals have ended up back on Azeroth.

World of Warcraft: Stormrage
Many centuries have passed since the young night elf Malfurion Stormrage became the principal hero in War of the Ancients. Having saved both his people and the world of Azeroth from the demons of the Burning Legion, Malfurion sought to start life anew with his beloved Tyrande Whisperwind, high priestess of the moon goddess.

World of Warcraft: Vol'jin: Shadows of the Horde
War is coming. Vol'jin, courageous leader of the Darkspear tribe: his strength and cunning are unmatched even among the Horde's most exalted champions. Now on the legendary continent of Pandaria, the troll chieftain faces his greatest trial yet, one that may redefine his purpose in the World of Warcraft.

World of Warcraft: Thrall: Twilight of the Aspects
When Azeroth was young, the noble titans appointed the five great dragonflights to safeguard the budding world. Each of the flights' leaders was imbued with a portion of the titans' vast cosmic powers. Together, these majestic Dragon Aspects committed themselves to thwarting any force that threatened the safety of Azeroth.