The second volume of ESPN’s 30 For 30 series (pictured below), featuring the final 15 films, went on sale May 17. But, fortunately for you, we’re offering an opportunity to win a set absolutely free of charge. All you need to do is answer the following question in the comment section below, and we’ll choose a random commenter to win a copy. Easy enough? Here it is:

Which was your favorite 30 For 30 film, and why?

Simply explain which documentary you enjoyed most, and why it touched you—did it feature your alma mater? evoke a special childhood memory?—and we’ll send the reader with the best answer a set of DVDs. (And if you want to purchase one, or more, grab it here.)

Good luck!