Katharina Thalbach

Gwen has just discovered, that she’s the final member of the secret time-traveling Circle of Twelve. Now she has to juggle with constant ...

Gwendolyn Shepherd is a normal 16-year-old, but her family holds a secret: A time-travel gene is expressed in the clan inherited, but not every ...

Germany in the early 19th century. “Die Vermessung der Welt” follows the two brilliant and eccentric scientists Alexander von ...

Emerald Green is the stunning conclusion to Kerstin Gier’s Ruby Red Trilogy, picking up where Sapphire Blue left off, reaching new heights ...