Le Vieux Crayon Retail. Les Editions du Vieux Crayon, 2021-2022. 166 detailed maps, mileage, terrain difficulty, comprehensive accommodation information, restaurants and services and historical background.
The route starts from Paris and goes either via Chartres or Orléans, both covered in this guide, to Tours and onwards to Saint-Jean-Pied-de-Port and the start of the Camino Francés.