Disgusting service from the online store

Disgusting service from the online store. I ordered school text books on the 21 Dec, Today is the 05 Jan havent heard anything from company, I tried sending email cam back saying the person is on leave pls sent email to sales_online, I did that still no response. Called the tel nr no answer /or give engaged tone. I am so frustrated as I schools are opening on the 12 Jan, WHAT DISGUSTING SERVICE.