For the first time, all five of John Napier's works have been brought together in English in a single volume, making them more accessible than ever before. His four mathematical works were originally published in Latin: two in his lifetime (1550-1617), one shortly after he died, and one over 200 years later. The authors have prepared three chapters, one covering Napier himself, one his mathematical works, and one his religious work. The latter has been written by an academic who was awarded a PhD thesis in this subject at Edinburgh University, and it provides the most thorough coverage...