21193772_cept____AbeBooks_UK_Buyer_Help__How_to_Pay_
[Payment Method] Direct Debit [Notes] If booksellers offer this payment method it is only for national shipment [How to Pay?] 
After order placement the bookseller will confirm the total order value. You then need to arrange with your bank the direct debit setup and then notify the bookseller who then makes the charge
How can I pay and what payment methods do you accept? - AbeBooks UK Buyer Help
How to Pay?