Typing error said 2 cd books for sale, only 1,half.comrefunded for both cds rec. only .85 altho cd was shipp?

2 audio books for sale, only own one. typing error. half.com refunded for 2 audio books even tho it was shipped to buyer. Made .85 on a 4.35 deal.How do I get this corrected?Typing error said 2 cd books for sale, only 1,half.comrefunded for both cds rec. only .85 altho cd was shipp?
I think you should post this in a more appropriate section. Or just use Half.com's own tech support/customer service.