: Some versions are hosted as integrated documents for digital reading.

Bilogía Sombras (La serie completa) - Ralston, Kristel - Amazon

The series is composed of two main novels and a spin-off novella:

: Luxury locations and European backdrops, a hallmark of Ralston’s master’s-level background in Public Relations and her time spent in Europe.

: Follows the story of Julianne and Ryder . Their relationship begins unexpectedly but evolves into a deep sensual and personal journey. The plot spans international locations including New York, Paris, and the Middle East , forcing the protagonists to choose between the shadows of their pasts or a future together.

: Protagonists often deal with "broken feelings" ( sentimientos rotos ) and must undergo a process of "finding themselves" through love.