French cakes are among the most luscious and spectacular in the pantheon of cake baking. In The Art of the Cake, authors Healy and Bugat simplify the art form and bring together more than 100 classic cakes, from the Marquis (kirsch-soaked chocolate genoise cake rounds stuffed with ripe peaches and whipped cream) to the Moka, made from vanilla genoise brushed with espresso, filled with coffee buttercream, and topped with chopped roasted almonds. There...