Exactly as advertised: an introduction. Not a how-to, but a description.
Rhetoric is the art of speaking. The Greeks both prized and despised it. Plato gave the Sophists and rhetoricians a bad name which has endured for two and a half millennia, yet rhetoric has been part of any standard curriculum in the West for much of that time.
It is well known that there is a vast difference between the truth of an argument and its persuasive power. Lawyers have always been suspect: they say whatever they need in order to win. All of America thought that O. J. Simpson murdered his wife, but skillful rhetoric by his attorney Johnnie Cochran got him acquitted. As far back as Machiavelli, lying and rhetoric have been recognized as essential tools of statecraft.
Rhetoric appeals to three aspects of self: logos, ethos and pathos. The Greeks named them - they have been studied ever since. The first is logic - the quality of an argument itself. The second is an appeal to character, or ethics. The third is an appeal to the emotions, i.e., "You can't execute this triple murderer- he's just a boy."
Toye identifies three ages of rhetoric. An oral age, that of the Greeks, when few people read and wrote, and argument was therefore spoken. It was followed by a literary age, after the invention of the printing press, when authors were able to start to use longer constructions and more sophisticated vocabularies suited to reading. It was also a time when the topics of argument became more complex: public policy involved schools and bond issues as often as wars. It is followed by a second oral age, today, which started just short of a century ago with radio, and has accelerated with the spread of TV and the extension of the voting franchise to just about anybody who owns one.
Toye offers an invitation to analyze texts for use of the classical rhetorical devices such as the tricolon and antithesis. He suggests looking closely at the structure of arguments, oral or written. Tricks: "Have you stopped beating your wife?" One of the most valuable aspects of the book is the set of problems he poses for the reader, opportunities to explore how rhetoric is used now and in history.
Words alone do not carry the argument. He offers a discussion of the nonverbal aspects of speech: voice, gesture, and the choice of clothing, venue, backdrop and anything else that will visually sway the audience.
Rhetoric depends on the shared values and culture of the audience. A British political speech is pitched at fellow members of the legislature; a speech by the American President nowadays bypasses Congress, working to sway the electorate to put pressure on their Congressmen.
Words never mean just one thing. Context and time are always important. He cites literary theory and deconstruction - Foucault and Richards et al. He does not get into semantics. Others such as Chomsky, Hayakawa and Wittgenstein have a lot to say about the meaning of words, and how much meaning they contain. Kahneman, Trivers and Ariely among others have looked deeply into self-deception, which often means, of course, allowing oneself to be deceived by appealing rhetoric.
The book is erudite while still being easy to read. The work of a man very comfortable with the language, as one would hope. A pleasant, quick read.
Rhetoric stresses the importance of what is not said. There is a modern campaign, a highly successful one, to rule out discussion of certain topics. They are not resolved, they simply remain unarguable by serious contenders. However, PC goes in and out of fashion. As a book title says of communism, "Everything Was Forever, Until It Was No More"
Conclusion - Read if for exactly what it claims to be, a short introduction. It is also a defense, and a justification for the study of rhetoric for the sake of recognizing and defending yourself against rhetorical questions (viz, my wife had me smell her wrist yesterday and asked "Honey, do I deserve this $200 perfume?"). If you want to practice the tricks yourself, there are many "How to" books about rhetoric, on everything from the art of seducing women, from Ovid through RoushV (whom I review), to the art of seducing voters.