<p>It's a popular book of assorted SAT vocabulary. Most people here swear by it because it's (and one person here actually did a study) one of the most accurate (as in, the words you learn from that book are likely to show up on actual SATs).</p>
<p>Reading a lot does help, but it's a vague way to boost SAT scores and is something that should be done anyway to help critical thinking in general.</p>
<p>A few tips that really helped me once I realized them (CR is my weakest section too):
1. Even though CR is the most subjective section (except maybe the essay), be as objective as possible; try not to let your own experiences influence your answer based on what you think is politically correct.
There is almost always supporting evidence in the document towards a correct answer, and something in the wrong-answer-that-seemed-right that explicitly makes it wrong. Also, one word can turn an entire answer wrong, and it's not always an obvious word.
2. Just because an answer is true doesn't mean it's the right answer to what the question was asking.
3. Find out, specifically, what you need to improve on. As in, very specifically. Time: struggling to finish/have plenty of time? Which is more urgent to improve upon, vocab or passages? What kind of passages (time period based, passages you find boring, compare and contrast, shorter or longer) are most difficult for you/have the most wrong answers? Are you getting easier questions wrong due to a certain reason?</p>