 Catherine also added rooms between the chapel and the library on the east side of the "corps de logis", as well as a service wing on the west side of the entry courtyard.Catherine considered an even greater expansion of the château, shown in an engraving published by Jacques Androuet du Cerceau in the second (1579) volume of his book "Les plus excellents bastiments de France".If this project had been executed, the current château would have been only a small portion of an enormous manor laid out "like pincers around the existing buildings."