The Next -- the hyper-intelligent post humans -- realize that the missive they received from the center of the galaxy contains instructions for kick-starting the development of an immense artificial intelligence knows as The Machine. But to build this computer the size of an Earth continent, they must obtain help from the more populous and still industrious worlds of mankind.

Ever since her brother Paul marched off to battle a year ago, Polly Perks has been running The Duchess, her family's inn, even though the revered national deity, Nuggan, has decreed that female ownership of a business is an Abomination. To keep The Duchess in the family, Polly must find her missing sibling. So she cuts off her hair, dons masculine garb, and sets out to join him in this man's army.

A new America called Valhalla grows restless under the controlling long arm of the Datum government, while all of the Long Earth is infused by the song of the trolls who are starting to react to humanity's thoughtless exploitation, bringing humankind to the brink of war.

"Carefully reallocating the Time of Discworld to where it is most needed, Monk of History Lu Tze and his apprentice begin a literal race against time when the world's first truly accurate clock threatens to stop Time forever."--from NoveList.

A seemingly routine day in the life of City Watch commander Sam Vimes is abruptly interrupted by an unsolved murder, an impending war, an unwanted new recruit, and a pesky government inspector. By the author of Going Postal. It's a game of Trolls and Dwarfs where the player must take both sides to win. It's the noise a troll club makes when crushing in a dwarf skull, or when a dwarfish axe cleaves a trollish cranium. It's the unsettling sound of history...