74 books • 9 series
Project X Origins: Dark Red+ Book band, Oxford Level 20: Into the Future: Mixed Pack of 5
Project X Origins: Dark Red+ Book band, Oxford Level 19: Fears and Frights: Mixed Pack of 5
Brown Book Band, Oxford Level 11: Strong Defences: Attack of the X-bots (Project X Origins)
Brown Book Band, Oxford Level 11: Strong Defences: The X-bots are Coming (Project X Origins)
White Book Band, Oxford Level 10: Working as a Team: Divided We Fall (Project X Origins)
Dark Blue Book Band, Oxford Level 16: Hidden Depths: Operation Shipwreck (Project X Origins)
Grey Book Band, Oxford Level 13: Great Escapes: Revenge of the X-bots! (Project X Origins)