"If a door to the past appears in the heart of a legendary German castle, open it." -Marty McEntire, Europe for Americans Travel Guide When fifteen-year-old Birdie gets stuck at history camp with a bunch of other American kids whose parents would rather bum around Germany without them, she has no idea she'll be part of a local pageant aimed at bringing the medieval fortress to life. But Birdie is no ordinary camper: She's hiding an enchanted piece of glass that opens windows in time. Now, trapped inside a ruin deep in the land of legends and fairy tales - from an evil siren called the Loreley to a chess piece that bestows wealth and power - Birdie and her new friends must embark on a dangerous quest to solve a mystery, save a life, and tame the magic around them - before time runs out for good. Birdie on the Rhine is book two of the Birdie Abroad young adult series, where Back to the Future meets Enola Holmes. Perfect for fans of mystery, suspense, and fantasy!