The Fine Art of Mixing Drinks understands the basic components of each type of drink, new cocktails can be created by substituting a different base or modifying agent or by adding a special flavoring or coloring agent. A daiquiri, for example, is nothing more than a whiskey sour with rum substituted for whiskey as the base and lime juice substituted for lemon juice as a modifying agent. An entire chapter of the book ("Roll Your Own") is dedicated to this premise. Embury's six basic drinks are the Daiquiri, the Jack Rose, the Manhattan, the Martini, the Old Fashioned, and the Sidecar. Embury's preferred recipe for each
What Bird is That? according to their usual habitat. The accompanying text included brief notes on distribution, breeding and behaviour. While initial sales were poor, history tells us that Cayley had accurately discerned a market need and successfully responded to it. During WWII sales accelerated and Cayley’s first collection, reprinted time and time again, eventually became a household name among birdwatchers and the book was recognised as an Australian classic. The original sponsorship of "What Bird is That?" proved a great investment for the Gould League, who benefited from the sale of its numerous reprints and revised editions. By 1960, it was rated the