<p>I will be doing self studying for the most part for AP Calc. AB until I have class next sem.</p>
<p>Everyone says to get the Peterson’s Master AP Calculus AB & BC. Is there a difference between the blue 1st edition which costs less than 10$ or get the red one which is 10$ more. Is there a difference between the two except the CD that is included? Is it worth spending an extra 10$ for the CD and the updated red version?</p>