Who - or what - is contaminating the Kronos superchip, the most advanced microchip ever developed, on which lives and fortunes depend?

Violent death, industrial espionage, a space probe to Mars and a virulent computer virus of unimaginable complexity seem to link the appalling dysfunctioning of Kronos.

Beverley Laine, whose company Nano Systems

• produces the chip, suspects ruthless gambling and media billionaire Marshall Tate of being the mastermind behind an attempt to plunder her technology. What she does not know is that Tate's empire is itself infected - and Tate, dangerous at any time, has his own ideas about who is attacking him...

Torus, Mirage, Swift, Dominator and The Doomsday Ultimatum gre also available in Mandarin