92 books • 9 series
Project X Origins: Grey Book Band, Oxford Level 13: Shocking Science: X-bot Reboot (Project X Origins)
Project X Origins: Dark Red Book Band, Oxford Level 18: Who Dunnit?: The Snatcher (Project X Origins)
Project X Origins: Dark Red+ Book band, Oxford Level 20: Into the Future: A Dangerous Game (Project X Origins)
Project X Origins: Dark Red+ Book band, Oxford Level 19: Fears and Frights: A New Alliance (Project X Origins)