Henry Carter Hull

When fragile, sixteen-year-old Hope Walton loses her mom to an earthquake overseas, her secluded world crumbles. Agreeing to spend the summer in Scotland, Hope discovers that her mother was more than a brilliant academic, but also a member of a secret society of time travelers. And she's alive, though currently trapped in the twelfth century, during the age of Eleanor of Aquitaine. Hope has seventy-two hours to rescue her mother and get back to their...

When sixteen-year-old Ellie Baum accidentally time-travels via red balloon to 1988 East Berlin, she's caught up in a conspiracy of history and magic. She meets members of an underground guild in East Berlin who use balloons and magic to help people escape over the Wall-but even to the balloon makers, Ellie's time travel is a mystery. When it becomes clear that someone is using dark magic to change history, Ellie must risk everything-including her...

Newbery Honor winner Kathryn Lasky, author of the Guardians of Ga’hoole series, delivers a riveting adventure about young British spies on a secret mission in Germany in WWII. Over the centuries, a small clan of spies called the Tabula Rasa has worked ceaselessly to fight oppression. They can pass unseen through enemy lines and “become” other people without being recognized. They are, essentially, faceless. Alice and Louise Winfield are...