Under Heaven takes listeners to Tang dynasty China, where the son of an honored general has received an unheard of gift: 250 Sardian horses. But this is a prize men would, and will, kill for.

The ruling Asharites of Al-Rassan have come from the desert sands, but over centuries, seduced by the sensuous pleasures of their new land, their stern piety has eroded. The Asharite empire has splintered into decadent city-states led by warring petty kings. King Almalik of Cartada is on the ascendancy, aided always by his friend and advisor, the notorious Ammar ibn Khairan - poet, diplomat, soldier - until a summer afternoon of savage brutality changes their relationship forever.

Crispin is a mosaicist, a layer of bright tiles. Still grieving for the family he lost to the plaque, he lives only for his arcane craft. But an imperial summons from Valerius the Trakesian to Sarantium, the most magnificent place in the world, is difficult to resist. In a world half-wild and tangled with magic, a journey to Sarantium means a walk into destiny. Bearing with him a deadly secret and a Queen's seductive promise, guarded only by his own wits and a talisman from an alchemist's treasury, Crispin sets out for the fabled city. Along the way he will encounter a great beast.

The lands of Arbonne and Gorhaut are on the verge of an all-consuming conflict. When a devious high priest of Gorhaut seizes the opportunity to wage a holy war against residents of Arbonne, an epic clash between the two cultures ensues.

Eight of the nine Palm provinces of the Peninsula have been overcome by warrior sorcerers Brandin and Alberico. But the sorcerers don't know that a small band of survivors is plotting their removal. With tensions mounting, the sorcerers become increasingly at odds as each decides where his own path - and that of the land - should truly lie.