Stella, grows up in Berlin during the rule of the Nazi regime. She dreams of a career as a jazz singer, despite all the repressive measures she is forced to…

A young lawyer stumbles upon a vast conspiracy while investigating a brutal murder case.

A mute man with a violent past is forced to take on the teeming underworld of a near-future Berlin as he searches for his missing girlfriend.

Emerald Green is the stunning conclusion to Kerstin Gier’s Ruby Red Trilogy, picking up where Sapphire Blue left off, reaching new heights of intrigue and romance as Gwen finally uncovers…

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 past, her relationships with…