An addictive new spy series for Alex Rider fans who love breathless plot, cutting-edge tech and action-packed adventure.

Two teen spies. One explosive mission.

When their families mysteriously disappear, Swift and Hawk, teen experts in AI and robotics, are recruited by the top-secret Mbius Programme.

Plunged into a life-and-death rescue mission, Swift and Hawk must race from hidden tunnels beneath London to the sinister island of Spkelsy, straight into the hands of a deadly enemy…