Mud Brothers - Heather Pindar - Bog

Having grown up in the city, Sol, Olatunde and Shaun must prove that they can navigate across the moors and reach a set place by a deadline. The stakes are high as, by showing their teamwork and resilience, they could secure much-needed funding for their youth club. But strange events convince Olatunde that an alien invasion is underway, so when their guide goes missing the boys fear the worst. Can they carry out a daring rescue and still make the finish line in time?