Shadow Grail Series by Mercedes Lackey, Rosemary Edghill

Who—or what—is stalking the students at Oakhurst Academy?In the wake of the accident that killed her family, Spirit White is spirited away to Oakhurst Academy, a combination school and orphanage in the middle of Montana. There she learns she is a legacy—not only to the school, which her parents also attended, but to magic.All the students at Oakhurst have magical powers, and although Spirit’s hasn’t manifested itself yet, the administrators insist she has one. Spirit isn’t sure she cares... moreWho—or what—is stalking the students at Oakhurst Academy?In the wake of the accident that killed her family, Spirit White is spirited away to Oakhurst Academy, a combination school and orphanage in the middle of Montana. There she learns she is a legacy—not only to the school, which her parents also attended, but to magic.All the students at Oakhurst have magical powers, and although Spirit’s hasn’t manifested itself yet, the administrators insist she has one. Spirit isn’t sure she cares. Devastated by the loss of her family, she finds comfort with a group of friends: Burke Hallows, Lachlann Spears, Muirin Shae, and Adelaide Lake.But something strange is going on at Oakhurst. Students start disappearing under mysterious circumstances, and the school seems to be trying to cover it up. Spirit and her friends must find out what’s happening—before one of them becomes the next victim… less

The second book in the Shadow Grail series by the New York Times, USA Today, and Publishers Weekly bestselling authors Mercedes Lackey and Rosemary Edghill Spirit and her friends Burke, Loch, Muirin, and Addie have managed to defeat the evil force that has been killing students at Oakhurst Academy for the past forty years—or so they think... moreThe second book in the Shadow Grail series by the New York Times, USA Today, and Publishers Weekly bestselling authors Mercedes Lackey and Rosemary Edghill Spirit and her friends Burke, Loch, Muirin, and Addie have managed to defeat the evil force that has been killing students at Oakhurst Academy for the past forty years—or so they think. When a series of magical attacks disrupts the school, Doctor Ambrosius calls upon alumnus Mark Rider to secure the campus—and start training the students for war. The only student without magic, Spirit doesn’t trust Mark or his methods. She knows that Oakhurst isn’t safe. And if Spirit and her friends want to live long enough to graduate, they have to find out what is really going on—before it’s too late. less

The third book in the Shadow Grail series by the New York Times and USA Today bestselling authors Mercedes Lackey and Rosemary EdghillThe students of Oakhurst Academy believe they have triumphed over the Shadow Knights. But Spirit, Burke, Muirin, Loch, and Addie know better. Under the guise of a company called Breakthrough Adventure Systems, the Shadow Knights have actually taken over the campus... moreThe third book in the Shadow Grail series by the New York Times and USA Today bestselling authors Mercedes Lackey and Rosemary EdghillThe students of Oakhurst Academy believe they have triumphed over the Shadow Knights. But Spirit, Burke, Muirin, Loch, and Addie know better. Under the guise of a company called Breakthrough Adventure Systems, the Shadow Knights have actually taken over the campus. The new regime is brutal, designed to turn the students into soldiers wielding both weapons and magic. Anyone who protests disappears. Desperate, the group decides that Muirin should go undercover to spy on Breakthrough. But Muirin’s act is a little too good, and Spirit begins to fear that her friend’s loyalties might have truly changed. Surrounded by enemies and friends who suddenly seem like strangers, Spirit has decide who can—and cannot—be trusted. less

The fourth and final book in the Shadow Grail series by the "New York Times "and "USA Today "bestselling authors Mercedes Lackey and Rosemary EdghillSpirit White and her friends Burke, Loch, and Addie have escaped from Oakhurst Academy. But their freedom has come at a terrible cost--a dear friend sacrificed her own life to save theirs. In the wake of Muirin's death, they are also forced to deal with the terrifying truth behind the facade of Oakhurst Academy: all of the legends are true... moreThe fourth and final book in the Shadow Grail series by the "New York Times "and "USA Today "bestselling authors Mercedes Lackey and Rosemary EdghillSpirit White and her friends Burke, Loch, and Addie have escaped from Oakhurst Academy. But their freedom has come at a terrible cost--a dear friend sacrificed her own life to save theirs. In the wake of Muirin's death, they are also forced to deal with the terrifying truth behind the facade of Oakhurst Academy: all of the legends are true.Queen Guinevere, King Arthur and the Knights of the Round Table really had existed. With the magic of Merlin, they were able to imprison their greatest foe, Mordred, before he could plunge the world back into the Dark Ages. But Mordred is now free, in charge of Oakhurst Academy, and determined to finish what he started so long ago.Pursued by Shadow Knights, the reincarnated remnants of Mordred's original army, Spirit's small band undertakes a quest to recover the Four Hallows, objects of immeasurable power. Memories of a past life have begun to surface, one in which Spirit wields a legendary sword. She comes to realize that these memories are the true key to Mordred's defeat. Can Spirit and her friends manage to recapture the magic of Camelot in time to save their fellow students and prevent the end of the world? less