Dark Horse wants to put your senses to the test. Fans of Chuck Palahniuk’s Fight Club 2 will have the chance to win some signed rare comic books, collector’s edition novel and the collected hardcover graphic novel by scratchin’ & sniffin’ some bookmarks and supporting your local comic book retailer. This is like Fight Club except you can talk about it. 

From the Dark Horse press release:

July 11 — San Diego, CA — At San Diego Comic Con International, Dark Horse Comics announced today a scratch-and-sniff bookmark contest in support of the acclaimed FIGHT CLUB 2 mini-series, which is written by Chuck Palahniuk, illustrated by Cameron Stewart and colored by Dave Stewart, with covers by David Mack. Dark Horse Comics has provided 10,000 scratch-and-sniff bookmarks, numbered to correspond to a clue in the same-numbered FIGHT CLUB 2 issue, to select comic shops around the United States. Readers who correctly identify the scents on all five bookmarks are eligible to win the grand prize: every FIGHT CLUB 2 comic including variants, FIGHT CLUB 2 swag, an autographed collector’s edition of the FIGHT CLUB novel, and the hardcover FIGHT CLUB 2 graphic novel (available June 2016). Ten additional winners will receive copies of the FIGHT CLUB 2 graphic novel, and comics retailers chosen by winners will receive matching prizes.

Here’s what the bookmark looks like:

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You can find these prized bookmarks at the San Diego Comic-Con Dark Horse booth or your local comic book shop. All you have to do is find a bookmark and email the answers to [email protected] along with your name, comic store location, and Diamond account number to qualify. The winner will be notified by Friday, July 17.

Good luck and don’t forget: rize or die.

Click here for the rules.