The book is made available as the least expensive way for persons to understand and produce the information needed for fast and effective treatment in an ER. We understand that although the erinfocardtm is the best method to keep and update your medical data, not every person will be able to afford their own personal erinfocardTM, so the book is an alternative way that is affordable by almost every family. For those that want the best way to easily update, and to have a seecure and portable method that may be lifesaving, we offer the erinfocardTM for a low price (less than the price for two movie tickets and 1 soda!). The erinfocardTM is produced by cpd health consultants, LLC. For more information about the company and other related products and services, see www.cpdhealthconsultantsllc.com . For companies that would like to purchase cards in bulk (over 100 cards) and would desire their Company logo on the card, please call 1 210 687 1044 for further information and discounts.