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After pressing the register button you will be asked to make your payment via paypal. If you do not have paypal account then you will be able to create one or make your payment with Credit Card (VISA, Mastercard, Amex, Discover) or eCheck

Refund Policy: Once you have purchased your e-Book and the diagram indicator systems, you are given the ability to save, read and print the information. As a result, no refunds can be given once the transaction is made. All sales are final.

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A password will be e-mailed to you.