Mastering the Art of French Cooking, Volume 1 & 2 by Julia Child, Simone Beck and Louisette Bertholle.  

Classic hardcover collectible cookbooks with dust jackets including protective plastic covers.

Volume 1 is 24th printing from 1973, Volume 2 is 10th printing from 1976. Great condition.  Minor wear to dust jackets, name and date on endpaper of Volume 2.