Sometimes, the worst day of your life happens, and you have to figure out how to live after it. So Clementine forms a plan to keep her heart safe: work hard, find someone decent to love, and try to remember to chase the moon. The last one is silly and obviously metaphorical, but her aunt always told her that you needed at least one big dream to keep going. And for the last year, that plan has gone off without a hitch. Mostly. The love part is hard...

Whisked through a portal to the Outskirts, an in-between world, sixth-grader Cole must rescue his friends and find his way back home--before his existence is forgotten.

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 puzzle physicists and philosophers alike.--

Jason is back in the world he's always known--yet for all his efforts to get home, he finds himself itching to return to Lyrian. Jason knows that the shocking truth he learned from Maldor is precious information that all of his friends in Lyrian, including Rachel, need if they have any hope of surviving and defeating the evil emperor. Meanwhile, Rachel and the others have discovered new enemies--as well as new abilities that could turn the tide of...

Jason and Rachel's adventures and friendships have made Lyrian more of a home to them than they could have imagined, so now, armed with the prophecy of a dying oracle, they are ready to become Lyrian's heroes whatever the cost to themselves.

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. --Publisher

Jack and Annie have to find a certain kind of food, the fourth thing needed to save Merlin's penguin, Penny. The magic tree house whisks them off to a village in the mountains of China, close to a panda reserve. They don't know it, but they've arrived on the day of a historic earthquake! How will they survive when the giant quake strikes? Will they be able to rescue the pandas? And how will they ever get back to the tree house so that they can fulfill...

While there is little in this world that bothers Artemis Fowl, in the fairy world Opal Koboi has gotten under his skin more than once. This time Opal has reanimated dead fairy warriors and their spirits have possessed Artemis' little brothers, making the siblings more annoying than usual. Artemis has until sunrise to get the spirits to vacate his brothers and go back into the earth.

For thousands of years the Sontarans and the Rutans have fought a brutal war across the galaxy. Now the Sontarans have a secret plan to destroy the Rutan race, a secret plan the Doctor is racing against time to uncover.

As her mother prepares to be a contestant on the 1980s television game show, "The $20,000 Pyramid," a twelve-year-old New York City girl tries to make sense of a series of mysterious notes received from an anonymous source that seems to defy the laws of time and space.