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

  • Use the “Add to Cart” button on individual product pages to add items to your shopping cart
  • Activate the “Shopping Cart” link to review the contents of the cart
  • Activate the PayPal button to log in with PayPal or pay with a credit card
  • complete your purchase and check your email
  • A download link will arrive via email
  • if the link in the email is broken, copy it to your clipboard and paste it in your browser

Thanks for supporting our work!


Do one of the following:

  • Call (520) 300-7859 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:
11900 N La Canada Dr Ste 69923
Oro Valley, AZ 85737-9923

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