Shadow Grail Books in Order

Orphaned Spirit White arrives at Oakhurst Academy, where every student supposedly has magical powers. While hers remain hidden, classmates begin disappearing, and she and her new friends must investigate the school's secrets before becoming victims themselves.

Magical attacks at Oakhurst Academy bring an alumnus to campus to train students for war. Spirit distrusts his methods and, with her friends, investigates the school's new security regime before its hidden dangers overwhelm them.

Enemies take control of Oakhurst Academy under a company's respectable disguise, imposing brutal military training. Spirit's friends send Muirin undercover, but her convincing performance makes Spirit question which loyalties are real and whom she can trust.

Spirit and her friends escape Oakhurst Academy only to confront the truth behind its Arthurian connections. Pursued by Mordred's followers, they seek powerful relics while Spirit's emerging memories may offer the key to saving their fellow students.