Blue

Katherine Gregor is the author of the mystery novel Man of the Labyrinth. She writes suspenseful fiction centered on psychological tension and intricate puzzles. Her stories are a great fit for fans of atmospheric crime and thrill

Valentina Zucchi is the author of White, Blue, and Green. These three titles represent her published works.

Viola Niccolai is the author of the book Blue. Readers looking for new stories to discover will want to check out her work.