<p>Campbells 8th edition i think? just memorize it. go on the USABO site, it tells you.</p>
<p>I got 30/50 on the 1st open exam (just at the cutoff) I got a really good score on the second exam MC, but the FR destroyed me.</p>
<p>But hey, I still got a certificate for being a semifinalist.</p>