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Dev and his friends are back with more mind-bending tech in this third installment of the Inventory series. The World Consortium is recruiting more agents to defend the most advanced technology the world isn't ready for, and it's up to Dev, Lottie and Mase to train them up for action. But will they be ready before Shadow Helix's next strike? And has Dev uncovered all the secrets of his past, or is there more to know about his special abilities?