FreeAfterRebate.info

For Dummies books
Various prices, free after rebate, at Amazon.com.
Amazon.com charges about $5 for shipping, or spend $25 total for free shipping.
$5 Rebate (more information) expires March 31, 2006.

Tip: Believe it or not, you can find many For Dummies books for under $5. First sort the list by "Price: Low to High," then click "More Results" at the bottom right. Look for the string &pg= in the URL. The books worth looking at start approximately at page 60, so make sure that section of the URL says &pg=60.