21193772_cept____AbeBooks_UK_Buyer_Help__How_to_Pay_
[Payment Method] PayPal [Notes] PayPal is not integrated into our external payment service provider system, so once the bookseller processes the order, you will need to make the payment through your PayPal account [How to Pay?] 
Once you have ordered from a bookseller who accepts PayPal, the bookseller should then contact you with their PayPal details
How can I pay and what payment methods do you accept? - AbeBooks UK Buyer Help
How to Pay?