How to Order

Textbooks are available to individuals, organizations and Government Agencies. All textbooks are for individual use and are not to be shared with anyone (Review our Copyright).

Use our Shopping Cart

  • Activate the “Purchase” link on individual product pages to add items to your shopping cart. You can add multiple products to your shopping cart by visiting multiple pages and activating the “Purchase” link.
  • Activate the “Checkout” link on any product page
  • Review the shopping cart to insure everything is correct
  • Activate the “Purchase” button. You are taken to your PayPal login where you can complete your purchase
  • A download link will arrive via email. If you don’t receive the email, please check your spam folder.
  • if the link in the email is broken, copy it to your clipboard and paste it in your browser
  • If your email doesn’t arrive within 24 hours, please email CathyAnne for a download link

Thanks for supporting our work!


Do one of the following:

  • Call (520) 955-6611 for a credit card purchase
  • Email CathyAnne with a list of books you’d like to purchase to receive a PayPal payment request.
  • Submit a PayPal payment to with a note on which textbooks you’d like to download.

Organizations and Government Agencies

Organizations and Government agencies can send authorizations or purchase orders to:


Snail Mail:
Access Technology Institute, LLC
PO Box 90812
Tucson, AZ 85752

ATI does not offer refunds on digital downloads. All purchases are final.