To participate in this bonus offering, upload a receipt image (screenshot or scan of receipt) of your order receipt for Iron Gold by Pierce Brown and enter your name, email address, and mailing address at: http://www.randomhousebooks.com/campaign/iron-gold/ , while supplies last. Must be 13 years of age or older at the time of entry. Void where prohibited or restricted by law. No groups, clubs, or organizations may participate. Limited to one request per IP address. Incomplete forms will not be eligible. Multiple entries from the same email address will be automatically disqualified. US mailing address required. Please allow 5 weeks for gift to arrive by mail. Offer valid between September 15, 2017 and January 16, 2018.