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

"A gripping, ingenious, thrilling read that you won't be able to put down!" M.G. LEONARD

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 Möbius Programme.

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