The payment system used on this page (Dwolla) is the most secure available on the Internet. It works directly with your bank, and does not work with credit or debit cards, so no fees are incurred either on your end or OLI.
- To buy the book use the payment button on the products page.
- Donations are appreciated! You can insert any amount you want to pay.
- If you are enrolling as a new basic student or subscriber go to this page and click on the payment tab.
- If you want to become an advanced student or have agreed to make payments for the basic student course, change the numbers to the amount you are paying and process it here.