Five hundred years after the historic French seaport of Le Havre was established, TASCHEN presents a facsimile reproduction ofLes premières uvres de Jacques Devaulx, pilote en la marine, first published by Le Havre-born Naval Pilot to the King Jacques Devaulx in 1583. Thisextraordinary illuminated manuscript, dedicated to the Duke of Joyeuse, collatesnautical, astronomical, and cartographic ideasas well as Devaulx s own extensive notes, observations, and records as a seafarer, hydrographer, cosmographer, and cartographer.Anencyclopedic reference for sailors, as well as a magnificentmaritime showpiecefor his royal employers, the elaborately annotated and decorated folios are a repertoire of naval and cosmographic tools and techniques, includingastrolabes, nautical charts of the Atlantic Ocean, tabular statements of diurnal tides, astrological charts, and measurements for solar altitude.They also gather Devaulx s volvelles, wheel charts made of rotating parts that are today considered an early example of the paper analog computer. Together, the folios encapsulatethe state of knowledge at a time when sailors pushed the limits of sea explorationand offera glimpse into the practical daily requirements of Renaissance seafaring.This edition of Devaulx s stunning document, produced in collaboration with the Bibliothèque nationale de France, reproduces each of the31 foliosin all their brilliant art and science, including the original colorful illuminations, in particular the volvelles. The volume features essays byJean-Yves SarazinandGerhard Holzer, as well as commentaries from a team of experts coordinated byÉlisabeth HébertandVéronique Hauguel-Thill, contextualizing Devaulx s work withfascinating insights into 16th-century seafaring and exploration.