A young witch-to-be named Tiffany teams up with the Wee Free Men, a clan of six-inch-high blue men, to rescue her baby brother and ward off a sinister invasion from Fairyland.

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.

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.

"The third novel in Terry Pratchett and Stephen Baxter's "Long Earth" series, which Io9 calls "a brilliant science fiction collaboration.""-- 2040-2045. In the years after the cataclysmic Yellowstone eruption there is massive economic dislocation as populations flee Datum Earth to myriad Long Earth worlds. Sally is contacted by her long-vanished father and inventor of the original Stepper device, Willis Linsay. He tells her he is planning a fantastic...

Tiffany Aching, a young witch-in-training, learns about magic and responsibility as she battles a disembodied monster with the assistance of the six-inch-high Wee Free Men and Mistress Weatherwax, the greatest witch in the world.

In a world whose seasons are defined by Christmas sales and Spring Fashions, hundreds of tiny nomes live in the corners and crannies of a human-run department store. They have made their homes beneath the floorboards for generations and no longer remember—or even believe in—life beyond the Store walls.

Until the day a small band of nomes arrives at the Store from the Outside. Led by a young nome named Masklin, the Outsiders carry

...

"Here there be dragons... and the denizens of Ankh-Morpork wish one huge firebreather would return from whence it came. Long believed extinct, a superb specimen of draco nobilis ('noble dragon' for those who don't understand italics) has appeared in Discworld's greatest city. Not only does this unwelcome visitor have a nasty habit of charbroiling everything in its path, in rather short order it is crowned King (it is a noble dragon, after all). Meanwhile,...

"Change is afoot in Ankh-Morpork--Discworld's first steam engine has arrived, and once again Moist von Lipwig finds himself with a new and challenging job"--