The Stone Warriors is the fourth and second-to-last book in the TombQuest series. It was written by Michael Northrop. It was originally published on December 29, 2015. Plot of Book Chapters 1-12 (Pages 1-90) The book begins in an unknown city, in which Alex Sennefer and his best friend Ren Duran are running from a couple of guards. They manage to escape into a small side street. Alex reflects on how Ren and him were looking for his mom and the Lost Spells, powerful spells in the Ancient Egyptian Book of the Dead. When he was on life support, his mother had used those spells to revive him, but had caused Death Walkers to escape. And, to make matters worse, an evil cult named The Order is working with the Death Walkers for evil purposes. The pair appreciates the beauty of the city they are in, and find out that they are in Vienna, Austria. In a secluded park, they discuss their journey. When Ren sleeps, Alex is attacked by a sheut, a shadowy Vessel that had a person’s ka and ba, or their spirit and self. Ren uses her amulet, an ibis that represents the god Thoth, in order to ward away the ancient spirit. They get a voice message from Dr. Ernst Todtman, a German scholar, and goes to a restaurant to meet him. However, it is a trap, and a fly-masked operative of The Order attacks them. After Alex wards him off using his scarab amulet, he saves Ren from a decoy waiter and they escape. They take an airplane to Cairo, Egypt, and meet up with Todtman. They discuss their next move, and based on a small clue, they decide to go to Alexandria. They meet a woman named Safa, and talk about Maggie - Alex’s mom. The next morning, they witness a loose mummy being burned by firefighters. They also meet up with Dr. Alshuff, who knew Maggie, but who they discover is a liar. Next, they look through Maggie’s paper and dissertation for more clues, finding out that she might be in a village named Minyahur. However, the fly operative - named Aff Neb - attacks them again. Some Order gunmen also captures the group. The trio wakes up to find themselves in a pit. They also figure out that they are sacrifice. Chapters 13- 24 (Pages 91-186) The group also finds Pai, a