The phrase <em>cruel cackles of crazed crones </em>demonstrates the sound device known as C) alliteratio<em />n.
Alliteration is the repetition of the same consonant, and here the consonant <em>C </em>is constantly being repeated.
Them would be the correct pronoun for this sentence because books is plural and is an object, so its pronoun must be third person. The 3rd person plural pronoun in English is they, and its objective/accusative form (the form used when the item is the object of a verb) is them, so there's your answer.
<span>The correct answer is III. The author's purpose is the reason why a text has been written, which usually falls under one of three categories: persuade, inform, entertain. Other forms of purpose usually fall under one of these. Examining the details of the text, for example, the type of language used and any accompanying images will help a reader work out the author's purpose. </span>