Jeremy Black 
Naval Power [PDF ebook] 
A History of Warfare and the Sea from 1500 onwards

Man lives on land, but the seas of the world are crucial to his lot. Focusing on navies as instruments of power and analysing what they indicate about the nature of state systems and cultures all over the world, Black provides an overview of the most significant debates within the field. Organised into key historical periods and accessibly framed, this wide-ranging account emphasises the links between past and present throughout the history of naval power.