Please read the legal notice included in this e-book and/or check the copyright status in your country. The heroic exploits of "sysadmins" - systems administrators - as they defend the cyber-world, and hence the world at large, from worms and bioweapons.
Used availability for Cory Doctorow's When Sysadmins Ruled the Earth
July 2015 : Paperback
August 2016 : USA, Canada, UK Kindle edition