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.

Accompanied by her loyal friend Germ, twelve-year-old Rosie Oaks travels through time and space in a magical whale as she sets out to save her brother and fulfill her destiny to find and vanquish the remaining Thirteen Witches.

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.

"From the Pulitzer Prize-winning author of perhaps the most bestselling and beloved literary fiction of our time comes a triumph of imagination and compassion, a soaring novel about children on the cusp of adulthood in a broken world, who find resilience, hope, and story. The heroes of Cloud Cuckoo Land are children trying to figure out the world around them, and to survive. In the besieged city of Constantinople in 1453, in a public library in Lakeport,...

Fourteen-year-old Bobby Pendragon, apprentice to his Uncle Press, a Traveler responsible for solving interdimensional conflict, tries to locate the legendary lost land of Faar which may hold the key to the survival of the water-covered territory of Cloral, which stands on the brink of war.

Patrick and Beth seek a secret that will give hope to the future generations of Egypt in the ancient burial vault of a mummy.

"Commander Matt Reddy and his crew are afraid it may finally be the end of the USS Walker. Ever since their ship was transported to another world, and they became embroiled in a deadly conflict between the Lemurians and the vicious Grik, the Walker has been taking a pounding. With Walker out of commission for repairs, Reddy takes command of a different ship and joins a desperate battle to block the Grik swarm. Meanwhile, the humans and their allies...

Seventeen-year-old Korean American Mina Lee's life is disrupted when she finds herself sucked into the world of her own webcomic.

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.--

Ten-year-old Kara follows mysterious tracks in the snow that lead her across time and space from modern-day Sweden to 1942 Germany where two siblings are hiding from the Nazis.