Dark Tide (duology)

The "Dark Tide" duology, written by Jennifer Donnelly, consists of two fantasy novels: "Deep Blue" and "Rising Tide." Set in an underwater world inhabited by merfolk and other sea creatures, the story follows a group of young heroines facing dark forces threatening their oceanic realm. They embark on a journey of self-discovery and adventure, grappling with themes of friendship, resilience, and environmental responsibility. Rich in world-building and character development, the duology weaves together mythology and modern issues, appealing to young adult readers who enjoy immersive fantasy tales.