<p>I used Barron's. It was boring. Got a 5.
My friend used PR. It was... less boring? Got a 5.</p>
<p>Then again, we probably owe most of our success to our class. We were introduced to a new concept one day, then worked on programs with it for about a week. Try that - incorporate everything into a program. Hell, you have an entire school year to do it.</p>