Kerstin Gier

b. 1966

1 series 3 books in order

Kerstin Gier is a German author of novels for adults and young adults. Her young adult novel Rubinrot and its two sequels, a series about time travel, were translated into English by Anthea Bell. She is credited on our catalog with the Ruby Red Trilogy: Ruby Red, Sapphire Blue, and Emerald Green. (Summary adapted from Wikipedia, CC BY-SA 4.0.)

Born
1966
Known for
Ruby Red Trilogy

Series by Kerstin Gier

Ruby Red Trilogy

3 books in order · 2011–2013

  1. Cover of Ruby Red

    Ruby Red

    2011 · Kerstin Gier

    Gwyneth Shepherd's cousin Charlotte was raised to be a time traveler, but it is Gwyneth who suddenly travels to another era during class. She must…

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  2. Cover of Sapphire Blue

    Sapphire Blue

    2011 · Kerstin Gier

    Sixteen-year-old Gwen is the newest and final member of the secret time-traveling Circle of Twelve. She searches through history for the other…

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  3. Cover of Emerald Green

    Emerald Green

    2013 · Kerstin Gier

    Having learned she is the Ruby, the last member of the time-traveling Circle of Twelve, Gwen suspects both Count Saint-Germain and Gideon. As she…

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Frequently asked questions

How many books has Kerstin Gier written?

We list 3 books by Kerstin Gier across 1 series, published between 2011–2013 — each shown in full reading order.

What order should I read Kerstin Gier's books?

Read each series in publication order. A good place to start is “Ruby Red.” Open any series above for its complete numbered reading order.

Where can I buy Kerstin Gier's books?

Every title links to Amazon from its series page — see our affiliate disclosure in the footer for how that supports the site.

Bibliography and reading orders compiled from verified bibliographic data. Spotted an error? We continuously correct the catalog.