No communication and bad service.

Good day, i purchased on the 01/02/26 two Grade 6 text books , when the 1 book arrived i followed up regarding the second book i was advise that i selected the ebook, i asked if we can do a credit as i want the hard copy they say yes, i was instructed to send an email on the 03/02/26 requesting the credit and new quotation which a did, a week passed by, no reply on my email, i phoned the gentleman explain and apologised, i received the credit and new quotation, i made the payment on the 09/02/26 which is the difference between the credit and new quote, again a week passed with no response, I phone yesterday 17/02/26 spoke to a Nigel which was supposed to follow up with accounts and came back to my which didn't happen, this is bad service and my child urgently need his text book.