This first volume of "Oeuvres" presents the collected works of Girard Desargues, a pivotal figure in the development of projective geometry during the 17th century. A largely self-taught mathematician and engineer, Desargues made significant contributions to our understanding of perspective, conic sections, and geometrical methods. This compilation, edited by Noël G. Poudra, ensures Desargues' groundbreaking ideas are accessible to modern scholars.

Written in French, the book offers essential insights into the mathematical landscape of its time and the evolution of geometric thought. These works showcase Desargues' innovative approach and his lasting influence on the field.

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