Ports piracy and maritime war : piracy in the English Channel and the Atlantic c. 1280 c. 1330 In Ports Piracy and Maritime War Thomas K. Heebøll Holm presents a study of maritime predation in English and French waters around the year 1300. Heebøll Holm shows that piracy was often part of private wars between English French and Gascon ports and mariners occupying a liminal space between crime and warfare The anatomy of medieval piracy Ports and wine Guerra maritima The laws of the sea and the principles of reprisal The sea the march and sovereignty Peace and piracy containment Crime and lack of punishment Conclusion