What is the nature of space and time? How do we fit within the universe? How does the universe fit within us? Today, few of us have time to contemplate the cosmos. So astrophysicist Neil deGrasse Tyson brings the universe down to Earth succinctly and clearly, in tasty chapters consumable anytime and anywhere in your busy day. While you wait for your morning coffee to brew, for the bus, the train, or a plane to arrive, Astrophysics for People in a...

“Clarke and Baxter have mastered the art of saving the world in blockbuster style.”—Entertainment Weekly
Returned to the Earth of 2037 by the mysterious and powerful Firstborn, Bisesa Dutt is haunted by memories of her five years spent on the strange alternate Earth called Mir, a jigsaw-puzzle world made up of lands and people cut out of different eras of Earth’s history. Why did the Firstborn create Mir?...

In the Welsh hills Will Stanton, youngest of the immortal Old Ones, joins forces with Merriman, Bran, and the mortal Drew children in a quest through space and time against the powers of evil known as the Dark.

Thirteen-year-old Atticus "Tick" Higginbottom begins receiving mysterious letters from around the world signed only "M.G.," and the clues contained therein lead him on a journey to the perilous 13th Reality and a confrontation with evil Mistress Jane.

"Why do we remember the past and not the future? What does it mean for time to "flow"? Do we exist in time or does time exist in us? In lyric, accessible prose, Carlo Rovelli invites us to consider questions about the nature of time that continue to puzzle physicists and philosophers alike"--

"Our universe is ruled by physics. Faster than light travel is impossible--until the discovery of The Flow, an extradimensional field available at certain points in space-time, which can take us to other planets around other stars. Riding The Flow, humanity spreads to innumerable other worlds. Earth is forgotten. A new empire arises, the Interdependency, based on the doctrine that no one human outpost can survive without the others. It's a hedge against...

The third novel in legendary author and Discworld creator Terry Pratchett and award-winning science fiction writer Stephen Baxter's "Long Earth" series, which Io9 calls "a brilliant science fiction collaboration."

2040. The Long Earth is in chaos. . . .

The cataclysmic Yellowstone eruption is shutting down civilization. Whole populations flee to the relative safety of myriad stepwise Earths. Sally Linsay, Joshua Valiente,

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Lily who has the ability to find anything lost, has determined that the infinity glass is not an object. It is a person.