Edelstein Trilogy Author: Kerstin Gier (translator: Anthea Bell) US Publisher: Henry Holt and Co. Books: Ruby Red Sapphire Blue (October 2012) Emerald Green (TBD) Themes: YA, time travel Share this:Click to share on Facebook (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Twitter (Opens in new window)Like Loading...