The micro-friends are being chased by the Krools. Find out if they can escape the heat-seeking gel boomerangs and reach Planet Moxor in Space Hunt . Ant, Tiger and Seven are alone in a desert on Planet Moxor. They take shelter in a cave, but have they made the right decision? Find out in The Deadly Cave . Can Max, Cat and Nok make it through the treacherous cactus forest, escape the Krools and find their friends? Find out in Grumptus Attack . Our heroes enter The Mines of Moxor in their quest to save their friend, Seven, and find the fragment of Exis. Will they succeed? In The Contest , Max has to race the Moxorian champion in a deadly contest, but who will win? The micro-friends return to Planet Exis with the four fragments. Will they be able to re-form the Core, or will Badlaw get in the way? Find out in Return to Exis . Each book comes with notes on the inside front and back covers for teachers, TAs and parents/carers, which give question prompts and points for discussion, challenge words, and additional activities that children can do.