CampbellKelly, Martin, and Aspray, William. Computer: A History of the Information Machine. New York: Basic Books, 1996. Outstanding.
Caroll, Paul. Big Blues: The Unmaking of IBM. New York: Crown Publishers, 1993. Focuses on IBM's struggle with Microsoft. Contains good information, but the analysis is weak. For a more thoughtful interpretation, see Ferguson and Morris' Computer Wars.
Cringely, Robert X. Accidental Empires. Reading, MA: Addison-Wesley, 1992. An insightful history of the microcomputer industry from Infoworld's gossip columnist. Unfortunately, does not include photos of Pammy.
Ferguson, Charles H. and Morris, Charles R. Computer Wars. New York: Random House, 1993. Simply brilliant, both on ...