We prefer PayPal but also accept personal checks, money orders, credit card and Bank Account payments through Paypal (You don't even have to have a PayPal account!),and Paypal balance funded payments. Orders paid by personal check will be shipped after the check clears. Please let us know if you plan to mail in your payment. Just browse to the book you want and select "add to cart" to place your order and we will contact you for payment. If you have any questions, please call us at 303-972-7737 or email us.