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

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 trips to the...

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...

Jessika, a precocious teenage girl with loving parents and a good-natured older sister, is the center of a slightly eccentric family. A series of...