Travel memories of several trips to France taken between 1978 and 2017. This is Part 4 of a series of books on trips to France. It covers Paris, Hauts de France, and Loire Valley. The section on Paris also includes the Versailles Palace and the Chateau de Fontainebleau. In Hauts de France, we cover Chantilly and Rouen. In the Loire Valley, we address a few towns and include several of the famous Loire castles.