The Art of War by Niccolò Machiavelli
In medieval warfare, organization, staff services, hierarchy of command, and codes of military law were nonexistent. Machiavelli changed all that. For him, discipline was of supreme importance. War is war, he believed, a no-holds-barred contest, and victory the supreme aim to which all other considerations must be subordinated. To this end, Machiavelli instituted the...
The Prince by Niccolò Machiavelli
You might think that Machiavelli's "The Prince", the definitive guide to becoming a 16th century despot has no place in the modern world. If you are running for office, occupying a foreign country, planning an hostile merger, or have a job, this study of the realpolitik is an indispensable as it was 500 years ago.