781 books • 167 series
Project X Origins: Turquoise Book Band, Oxford Level 7: Discovery: Dragon Hunter (Project X Origins)
Project X Origins: Light Blue Book Band, Oxford Level 4: Bugs: Bug Hunt (Project X Origins)
Project X Origins: Yellow Book Band, Oxford Level 3: Weather: What's the Weather Like today? (Project X Origins)
Project X Origins: Orange Book Band, Oxford Level 6: What a Waste: Turn it Off! (Project X Origins)
Project X Origins: Green Book Band, Oxford Level 5: Flight: On the Wing (Project X Origins)
Project X Origins: Light Blue Book Band, Oxford Level 4: Toys and Games: Pet Play (Project X Origins)
Project X Origins: Green Book Band, Oxford Level 5: Making Noise: Click! Bang! Pop! (Project X Origins)
Project X Origins: Purple Book Band, Oxford Level 8: Habitat: Dinosaur Safari (Project X Origins)
Project X Origins: Dark Red Book Band, Oxford Level 17: Time: What's Your Time? (Project X Origins)
Project X Origins: Dark Red Book Band, Oxford Level 17: Extreme: Survival Handbook (Project X Origins)
Project X Origins: White Book Band, Oxford Level 10: Journeys: Incredible Journeys (Project X Origins)