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.

The Search for the Map-and the secret behind its cryptic code-intensifies in a quest across time, space, and multiple realities. But what if the true treasure isn't the map at all . . . what if the map marks something far greater? Something one world cannot contain? Those who desire to unlock that mystery are in a race to possess the secret-for good or evil. Kit Livingstone is mastering the ability to travel across realities using ley lines and has...

"Roger Penrose, Co-Winner of the Nobel Prize in Physics, Royal Swedish Academy of Sciences" Stephen Hawking (1942–2018) was the Lucasian Professor of Mathematics Emeritus at the University of Cambridge. Roger Penrose is a Nobel Prize–winning physicist and the author of Cycles of Time and The Road to Reality (both Vintage). He is the Rouse Ball Professor of Mathematics Emeritus at the University of Oxford. From two of the world's great physicists-Stephen...

From the future, a final plea. Out of the past, a last hope. A young girl, born to die in freakish disregard. A doomed world, enslaved to forces unseen. A final hope beyond imagining. Become a Reader, because in the end, the most unbelievable step in the adventure - will be your own. "Unique and altogether profound, reminiscent of Bradbury, haunting, thought-provoking and surprisingly philosophical" -San Francisco Book Reviews"A gripping science-fiction...

While twelve-year-old Patrick and his friend Oma, protected by a powerful griffin, work to overthrow Ith's sinister government, Mr. BunBun races to warn humans of impending doom on Earth.

Patrick and Beth arrive in Pompeii at the wrong time to avoid danger.

"In the final book in the Twinmaker series, Clair, Q, and Kari Sargent must enter The Yard, a digital landscape created by their enemy, in order to save the world"--

Spending the summer marooned with her mother and stepfather in a snooty Massachusetts shore town bores Cassandra until she meets a dreamy stranger who claims the year is 1925, sweeping Cassandra into a mystery a hundred years in the making.

When the Time Fetch's foragers gobble up too much time, causing the fabric of the universe to unravel and blur the boundaries between worlds and dimensions, eighth-grade loner Edward and his classmates must band together to save the day.

Twelve-year-old Nat, with help from family, friends, and his "pet" Woody, a wolf that turns into a boy, must face werewolves that have been altered as part of a dastardly plan.