If you want to pay online, click the "add to cart" next to the camp name. Once on the payment page, you can "continue shopping" and add another camp. You do not have to be a member of Paypal to use the payment solution--choose Don't Have a Paypal Account? ( It looks like you will have to set up an account but you don't--just enter your credit or debit card info).
You can also mail a check to 347 Kenilworth Road, Asheville NC 28805