"The Blood Journals Series" is a collection of young adult fantasy novels written by K. M. Hodge. The series follows the journey of a young protagonist who discovers a hidden world filled with magic, danger, and ancient secrets. As she navigates her new reality, she learns about her unique abilities and the responsibilities that come with them. The series explores themes of friendship, identity, and the struggle between good and evil. Each book delves deeper into the protagonist's challenges and growth, while introducing a cast of supporting characters who play crucial roles in her adventure.