Elite chefs depend on All-Clad's Copper Core cookware because of its superb responsiveness to heat, essential for making reductions and sauces. This set is a superb choice for experienced cooks, with pots and pans for everyday cooking as well as specialized pieces for more elaborate recipes. Five-ply construction of securely bonded metals: a thick, extremely heat-responsive copper core sandwiched between two layers of highly conductive aluminum with an easy-clean stainless-steel exterior and interior that won't react with foods. Allows for the quickest heat-up time, maximum temperature control and rapid, even heat distribution. A ring of copper adds a finishing touch to the gleaming exterior. Riveted stainless-steel handles stay cool on the cooktop. Ideal for use on any type of cooktop, including induction. Set includes two Thomas Keller cookbooks - Ad Hoc and The French Laundry. A Williams-Sonoma exclusive. 30-Piece set includes 8", 10" and 12" fry pans. 1/2-qt. butter warmer. 2-qt covered saucepan with ceramic double boiler insert. 3-qt covered saucier. 2 1/2-qt. covered Windsor. 4-qt covered saucepan. 4-qt covered saute. 6-qt covered saute. 4-qt covered soup pot with Ladle. 7-qt covered tall stockpot with pasta insert. 5-qt covered Dutch oven. 8-qt covered stock. Large flared roaster with flat rack. Steamer insert. Splatter screen. Thomas Keller's The French Laundry cookbook. Thomas Keller's Ad Hoc cookbook. Please note: lids are counted as individual pieces.