Author: Kerstin Gier
Alternate names: Jule Brand; Sophie Bérard; gier kerstin; (de) Ji, er (Gier, Kerstin; Gier Kerstin
Title: (de) (Gier, Kerstin
Born: 8 October 1966
Died: )
Bio: Kerstin Gier (born 1966) is a German author of novels for adults and young adults. Her popular young adult novel *Rubinrot* (*Ruby Red*) and its two sequels - a series about time travel - as well as her Silber trilogy were translated into English by Anthea Bell.

Kerstin Gier has also published books under the pseudonyms Jule Brand or Sophie Bérard.

**Source**: [Kerstin Gier](https://en.wikipedia.org/wiki/Kerstin_Gier) on Wikipedia