Sixteen-year-old Ilse and her older brother Wolf must hone their magical skills to sabotage Hitler's attempt to build an atom bomb and uncover a spy using dark

Sixteen-year-old Ellie Baum time-travels to 1988 East Berlin, where she meets members of an underground guild who use balloons and magic to help people escape o

A girl begins a happy bus outing with her beautiful red balloon, but is crestfallen when her balloon suddenly flies away. But the bus driver and a bear on board

When Northerner Thaddeus Lowe lands his huge balloon in South Carolina at the beginning of the Civil War, ten-year-old orphan Ridley Jones joins up with him and

Magic meets the Manhattan Project in this prequel to the award-winning novel, The Girl with the Red Balloon.