While picking up milk for his children's cereal, a father is abducted by aliens and finds himself on a wild adventure through time and space.

America's most celebrated astrophysicist invites young readers to explore the mysteries of the universe.

"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 puzzlephysicists and philosophers alike."--

At nearly fifteen years of age, Joey Harker learns that he is a Walker, able to travel between dimensions, and soon joins a team of different versions of himself, each from another dimension, to fight the evil forces striving to conquer all the worlds.

As a seventeen-year-old sophomore at NYU, Casey wears different disguises to fit in, but when she starts hearing voices and seeing visions, she travels to a remote beach town and searches for answers.

Londons fall and kingdoms rise while darkness sweeps the Maresh Empire, and the fraught balance of magic blossoms into dangerous territory while heroes struggle.

Artemis's mother has contracted a deadly disease--and the only cure lies in the brain fluid of African lemurs. Unfortunately, Artemis himself was responsible for making the lemurs extinct five years ago. Now he must enlist the aid of his fairy friends to travel back in time and save them. Not only that, but he must face his deadliest foe yet--his younger self.

"The essential universe, from our most celebrated and beloved astrophysicist. What is the nature of space and time? How do we fit within the universe? How does the universe fit within us? There's no better guide through these mind-expanding questions than acclaimed astrophysicist and best-selling author Neil deGrasse Tyson. But today, few of us have time to contemplate the cosmos. So Tyson brings the universe down to Earth succinctly and clearly,...

"The heroes of Cloud Cuckoo Land are children trying to figure out the world around them, and to survive. In the besieged city of Constantinople in 1453, in a public library in Lakeport, Idaho, today, and on a spaceship bound for a distant exoplanet decades from now, an ancient text provides solace and the most profound human connection to characters in peril. They all learn the story of Aethon, who longs to be turned into a bird so that he can fly...

Since his wife left him, Jeffy Coltrane has worked to maintain a normal life for himself and his eleven-year-old daughter, Amity, but when a local eccentric entrusts Jeffy with hiding a strange device that allows people to jump between parallel planes, he and his daughter must outwit a man determined to obtain the device and use its grand potential for profound evil or the place that they call home may never be safe again.