Methods and apparatus for a form for a postcard mailer are disclosed. An example form includes a substrate sheet having top and bottom edges, first and second side edges, and first and second faces. The form also includes at least first and second fold lines dividing the sheet into at least first, second, and third panels with a hang tag removably coupled to at least a portion of one of the first, second or third panels. Finally, the form has a first adhesive area provided on the first face of at least one of the second or third panels and a second adhesive area provided on the second face of at least one of the first and second panels, wherein the first and second adhesive areas adhere the third panel to the first face of the second panel and the first panel to the second face of the second panel when the substrate sheet is folded about the fold lines.