A storm of swords: steel and snow (a song of ice and fire (1-in-2) #5)

Winter approaches Westeros like an angry beast.
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nThe Seven Kingdoms are divided by revolt and blood feud. In the northern wastes, a horde of hungry, savage people steeped in the dark magic of the wilderness is poised to invade the Kingdom of the North where Robb Stark wears his new-forged crown. And Robb’s defences are ranged against the South, the land of the cunning and cruel Lannisters, who have his young sisters in their power.
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nThroughout Westeros, the war for the Iron Throne rages more fiercely than ever, but if the wall is breached, no king will live to claim it.