<p>How below average is your vocabulary? If you are coming in with a pretty solid foundational vocabulary and you learn everything in Direct Hits, missing 1-2 per test on average is most likely. If you have a really weak vocabulary now, though, you’ll still be missing the easier questions.</p>
<p>Try learning Direct Hits and then see how you do in the Blue Book. If you feel that you really need more words in your vocabulary, try some additional online lists (unfortunately, they are less efficient because they are much longer).</p>