In 1604-1605 Hugo Grotius wrote De iure praedae, a commentary on the law of booty and prize and a first step towards the Law of War and Peace of twenty years later. Not published in his own times, rediscovered in 1864, and subsequently published, it has been over-interpreted and under-studied. The sixteen essays in this volume discuss De iure praedae, its intellectual sources, personal and political circumstances and over-all consequences, exploring how Grotius as a humanist, theologian, jurist and politician proceeded in this his first exercise in the theory of natural law and...