Get the book containing new rules and options, details of the setting and a six part adventure. The book is in Print on Demand (fulfilled through DriveThruRPG, shipping not included) and in PDF digital format. You also get the PDF character sheets in form fillable and ready to print formats and maps in PDF and jpg for VTTs. 
You also get a signed print of Six-Gun Doomsday artwork, a Six-Gun Doomsday t-shirt  and we'll incude your name or nickname in the Thanks section of the finished book.