/The original cocktails Eben Klemm creates as master mixologist for B.R. Guest Restaurants in New York City are the talk of the town. Now you can learn to mix like a master with The Cocktail Primer: All You Need to Know to Make the Perfect Drink. In this mixology guide to creating both classic cocktails and modern twists, Klemm teaches people on the other side of the bar how to make drinks at home.