The Black Sphere — E.L. Young

STORM includes: Will Knight aged 14, an inventive genius who creates cutting-edge gadgets; Andrew Minkel aged 14, a software millionaire and the founder of STORM; and Gaia aged 14, a brilliant chemist with a habit of blowing stuff up. Six scientists were working on Project FIREball. Now five are dead and one is missing. Carrying plans for a world-changing technology he is wanted by MI6, the CIA and an unidentified killer. But what was the ill-fated project? Who wanted the scientists dead? And where is David Wickett now? STORM head to the Swiss Alps to join the high-stakes manhunt on their most dangerous mission yet.