To date, Bill Gates has authored two books:
The Road Ahead, written with Microsoft executive Nathan Myhrvold and journalist Peter Rinearson, was published in November 1995. It summarized the implications of the personal computing revolution and described a future profoundly changed by the arrival of a global information superhighway.
Business @ the Speed of Thought was published in 1999, and discusses how business and technology are integrated, and shows how digital infrastructures and information networks can help getting an edge on the competition.