“Ruby Red” is the first book in a captivating young adult fantasy trilogy written by German author Kerstin Gier. Set in contemporary London, the novel follows the story of sixteen-year-old Gwen Shepherd, a seemingly ordinary
“Sapphire Blue” is the second book in the “Precious Stone Trilogy” by Kerstin Gier, following the story of Gwen, a young time traveler who discovers her unique abilities and the mysteries surrounding her family. In
Emerald Green is the thrilling conclusion to Kerstin Gier’s bestselling fantasy series, The Ruby Red Trilogy. This young adult novel follows the story of Gwen Shepherd, a time-traveling teenager with the ability to travel through
