9780141000510 | Updated edition (Penguin USA, January 1, 2001), cover price $16.00 | About this edition: Interviews with the unconventional computer geniuses who were responsible for the computer revolution reveal the inside story and the shared ideals that motivated them.

9780385312103 | Delta, February 1, 1994, cover price $12.95 | About this edition: Talks with the unconventional computer geniuses who were responsible for the computer revolution reveal the inside story and the shared ideals that motivated them