For those who should so chose, here is our credit card interface with Internet Secure. We have had no problem from the user standpoint, over the years, yet encourage the use of The U.S. Mail System to our address: FineSpine Ltd P.O. Box 251 Portage, Wi.  53901 U.S.A. Product Unit price US $ The FineSpine(tm) Method 48 page E-booklet, pdf format - internet delivery US$ 17 (former price) Press this button to continue with your order. Please note: If you get an "expired certificate" alert, please proceed forward and click on the "VeriSign" logo at the next lower screen, which confirms that Internet Secure is indeed "valid". The faulty "alert" is an unfortunate and not uncommon "browser issue" and does not reflect reality. (nrh/fsl)