"Two events made September 1st a memorable day for Jesse Cullum. First, he lost a pair of Oakley sunglasses. Second, he saved the life of President Ulysses S. Grant. It's the near future, and the technology exists to open doorways into the past--but not our past, not exactly. Each "past" is effectively an alternate world, identical to ours but only up to the date on which we access it. And a given "past" can only be reached once. After a passageway...

Time-travelers Jonah and Katherine are summoned to help another missing child from history, this time Virginia Dare from the Roanoke Colony, but their journey is sabotaged and goes dangerously awry, leaving them in the wrong time period. Includes author's note about the history of Roanoke Colony and Virginia Dare.

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 interstellar war--and, for the...

"The second book in the genre-bending Silvers series--an io9 "can't miss" sci-fi pick--about six extraordinary people whose fates become intertwined on an Earth far different from our own. The end of the world was just the beginning for Hannah and Amanda Given. Saved from apocalypse by three mysterious beings, the sisters were marked with a silver bracelet and transported to an entirely different Earth--a place where restaurants move through the air...

"Forty-one years ago, the renowned physicist Dr. Christopher Robin vanished. Before his disappearance, his fringe science theories about the existence of endless alternate universes had earned him both admirers and enemies. Now his widow has died and Alex Benedict has been asked to handle the auction of the physicist's artifacts--leading the public to once again speculate on the mystery surrounding Robin's disappearance. Did he finally find the door...

After returning the missing children from history to their original time periods, thirteen-year-old Jonah must save time itself when aviator Charles Lindbergh mysteriously appears and kidnaps Jonah's sister.

Meg Murry, her brother Charles Wallace, and their friend Calvin O'Keefe become involved with unearthly strangers and a search for Meg's father, who has disappeared while engaged in secret work for the government. Includes "An appreciation" by Anna Quindlen and an interview with the author.

"When an elderly customer at a Swedish big box furniture store - but not that one - slips through a portal to another dimension, it's up to two minimum-wage employees to track her across the multiverse and protect their company's bottom line. Multi-dimensional swashbuckling would be hard enough, but those two unfortunate souls broke up a week ago. To find the missing granny, Ava and Jules will brave carnivorous furniture, swarms of identical furniture...

When Jonah and Katherine travel to early 1900s Switzerland and Serbia to return Albert Einstein's daughter, Lieserl, to history, her mother Mileva grasps entirely too much about time travel and has no intention of letting her daughter go.

"The Last Emperox is the thrilling conclusion to the award-winning, New York Times and USA Today bestselling Interdependency series, an epic space opera adventure from Hugo Award-winning author John Scalzi. The collapse of The Flow, the interstellar pathway between the planets of the Interdependency, has accelerated. Entire star systems--and billions of people--are becoming cut off from the rest of human civilization. This collapse was foretold through...