Upload your receipt for The Skinnytaste Air Fryer Cookbook by Gina Homolka to participate in this bonus offering. By uploading proof of purchase of one (1) copy of the cookbook, you will receive a digital download of bonus materials from the author. Must be 18 years of age or older at the time of entry. Void where prohibited or restricted by law. No groups, club, 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. Bonus Offer valid for purchases made before May 17, 2019. Receipts must be submitted by June 14, 2019 at 11:59pm ET.