A-PDF to Flash (http://a-pdf.com/to-flash/index.htm ) is a powerful program that engages you in achieving the conversion from Adobe PDF files to Flash Flipbook. There are three wide page modes for you, including None, Auto detect, and All page is wide page.For more: http://a-pdf.com/faq/index.php?title=how-to-detect-wide-page-of-pdf-file-and-convert-it-to-flipbook-by-using-a-pdf-to-flash .