This site is secure, payments made through Paypal. Buy today, receive your items today. Satisfaction guaranteed. The majority of the Ebooks are in PDF format. You may need a PDF reader such as this free one http://filehippo.com/download_adobe-acrobat-reader-dc/ On my iPad I could read the ebooks with the safari browser, no additional software needed. I checked on Amazon.com and can use the PDF files on Kindle or PC Kindle readers . When your order is completed we will send the link and password for your Ebook. If there is a Ebook or type of Ebook that you'd like but don't see let us know and we'll try to get it. We will do our best to see you are satisfied with your order. If you have a comments or questions please contact us.