We've featured Rick and Michael Mast before on FDL discussing their unique story and craft chocolate that is used by some of the world's best chefs, including Thomas Keller.
The new book tells the brother's story and features a range of recipes for classic American desserts - chocolate cookies and cakes, brownies, bars, milkshakes, and even home-made whoopie pie.
Take a look at the trailer below for a glimpse of the crazy chocolate world of the Mast Brothers.
Looking for new dessert ideas? Try this easy grape cake recipe: learn how to make a soft white grape cake, perfect for your Autumn meals and breakfasts.