A rebellion on another planet. A kidnapping in Central London. The head of MI5 assassinated. A hostage seige suddenly and violently ended by the SAS. A computer CD slipped into the Doctor's pocket by a dead man. . . It's 1998, and the global information superhighway is about to come on line. OffNet controls everything digital from cars to sliding doors, from interactive television to military command and control systems. The Doctor and Sarah must join forces with an old friend in a race against time:to prevent the breakdown of technoloigical society and foil an unconventional alien takeover bid. This adventure takes place between the television stories SEEDS OF DOOM and THE MASQUE OF MANDRAGORA. This 11th novel in the series of 33, featuring the 4th Doctor, Sarah and Harry is now out-of-print and uncommon to find.