Hannah resents the traditions of her Jewish heritage until time travel places her in the middle of a small Jewish village in Nazi-occupied Poland.

When an all-consuming void from the Fourth Dimension opens up, unleashing monsters throughout the Realities, Mister George has one last weapon at his disposal--the mysterious and powerful Karma button, which might be even more dangerous than anyone imagined.

A woman stumbles upon a mysterious portal that links back to the Firstborn, omnipotent beings responsible for the upheaval of history and the creators of the notorious black monolith of "2001: A Space Odyssey."

Victoria Deveny is transported from her Northumberland, England, home in 1890 to 1964 Alton Bay, New Hampshire, where she meets Elliot Good and they agree to help the Faerie Queen defeat the Shadow Knight, who is trying to close the portals that allow fairies to help humans in time of need.

"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...

Time-travelers Jonah and Katherine are summoned to help another missing child from history, 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.

A tale set in a world in which technological advances have been suppressed finds particle physicist Jon Grady helping to innovate a device capable of reflecting gravity only to be targeted by a shadowy organization from the future.

After plummeting through a hole in her backyard and finding herself once again in the room of mysterious jars, eleven-year-old Olive unwittingly releases two of Elsewhere's biggest, most cunning, most dangerous forces.

"In the second book in the Books of Beginning Trilogy, Michael and Emma must track down the Chronicle of Life, while Kate must find a way back to present day from the year 1899"--

When Zia's secret recipe sends Alfie and Emilia to Philadelphia, the children enjoy visiting the many historical landmarks and learning the history of some foods.