An Unkindness of Ravens Fink. When Wexford does a favour for his wife—to look into the disappearance of one of their neighbours' husbands—everything he finds seems to confirm his first inkling: that this is simply another case of a bored middle-aged man having run off with a younger woman. However, when Rodney Williams is found dead, and another local man is stabbed in his car, Wexford finds himself thrown into an investigation involving a militant feministic organisation known as "Arria", who have taken the raven as their symbol. An Unkindness of Ravens An Unkindness of Ravens is a novel by British crime-writer Ruth Rendell.
Specific properties more everyday example is grocery shopping. The two kilogram package sells for a higher price than the one kilogram package, but what matters is the "specific price", commonly called the unit cost (cost per kilogram). "Mnemonics and Qualitative Reasoning": In many instances, specific properties are more intuitive or are easier to remember than the original properties in SI or English units. For instance, it is easier to conceptualize an acceleration of 2 g's than an acceleration of 19.6 meters per second squared. It is hard to remember that the specific gravity of water is 1.0 and that something with a