Payment FAQs

Here are some of the most frequently asked questions about payment. If you have a more specific question, please use the contact form at the bottom of the website. Thank you!

What types of credit cards do you accept?
Most major credit cards are accepted, such as VISA, Mastercard, AMEX, and more. Please make sure that your credit card is approved for international payment...
Thu, Aug 8, 2019 at 8:02 PM
How can I pay through PayPal without a PayPal account?
It depends on whether you are to buy the Premium Membership or books. You need a Paypal account to sign up for the Premium Membership because recurring ...
Mon, Jun 1, 2020 at 12:47 PM
Can I pay with a debit card?
Yes. If you have a debit card that allows international payments such as VISA, Mastercard or others, you can pay with your debit card through PayPal.
Fri, May 29, 2020 at 10:11 AM
Is it normal to be redirected to a separate payment page?
If you chose PayPal as your method of payment, you will see a PayPal payment window where you can sign in using your account.  If you click on the "...
Fri, May 29, 2020 at 10:18 AM
Can I make a payment via bank transfer?
Sure! Please send us an email at with your address and the books you would like to purchase. Then, we will send you our bank deta...
Fri, Nov 22, 2019 at 4:32 PM
Can I pay in other currency other than USD(US dollars)?
Sure, you can opt for the currency you prefer through the Paypal or 2Checkout interface when making the payment. 
Fri, Nov 22, 2019 at 4:32 PM
Why isn't my credit card payment going through?
Please try refreshing the website a few times and see if the version info at the bottom of the website changes to a higher version. Trying to make a payment...
Fri, May 29, 2020 at 10:25 AM
Why is my refund not appearing in my account?
It takes time for the amount to be wired to your bank account. Please allow a few days for the refund to appear in your billing statement.
Thu, Aug 8, 2019 at 8:05 PM
Is the billing address required?
Yes. The billing address is the address associated with your card and it is used to verify your credit/debit card information.
Fri, May 29, 2020 at 10:26 AM
Can I pay with a card issued in Korea?
Sure! Please choose the "Credit Card (via 2Checkout)" option on the checkout page. You can make a payment with your card even if you don't ha...
Fri, May 29, 2020 at 10:27 AM