"A boy goes on a long car ride to visit his grandmother and discovers time moves faster or slower depending on how bored he is" --

Having upset the balance between the warring statues of London, twelve-year-old George is confronted with new challenges as he tries to free his captured friends Edie and The Gunner from the formidable Walker and deal with the three strange veins of marble, bronze, and stone that have begun to grow out of his hand.

After Jason succeeds in finding a way back to Lyrian, he's immediately in more danger than ever. Meanwhile, Rachel and the others have made their own progress--as well as discovered new enemies. As the group ultimately rejoins, they strive to convince their most needed ally to join the war and form a rebellion strong enough to triumph against the emperor.

An astounding new feat of storytelling from Brian Selznick, the award-winning creator of The Invention of Hugo Cabret and Wonderstruck. A ship. A garden. A library. A key. In Kaleidoscope, the incomparable Brian Selznick presents the story of two people bound to each other through time and space, memory and dreams. At the center of their relationship is a mystery about the nature of grief and love which will look different to each reader. Kaleidoscope...

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.

"From the basics of physics to big questions about the nature of space and time, celebrated astrophysicist and science communicator Neil deGrasse Tyson breaks down the mysteries of the cosmos into bite-sized pieces. Astrophysics for Young People in a Hurry describes the fundamental rules and unknowns of our universe clearly--and with Tyson's characteristic wit, there's a lot of fun thrown in, too.This adaptation by Gregory Mone includes full-color...

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.

Aidan's new friend Antoinette is called to the Realm, but when she arrives to rescue Robby through his Glimpse-twin, the place is in turmoil and she must decide whether to stay loyal to the one true king or join the evil side.

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.

When young Elana unexpectedly joins the team leaving the spaceship to study the planet Andrecia, she becomes an integral part of an adventure involving three very different civilizations, each one centered on the third planet from the star in its own solar system.