UNACCEPTABLE - INCOMPLETE ORDER DELIVERY AND NO REFUND NOR BOOK!!!!

Ordered and paid in full for a delivery of Cambridge school books. 1st delivery was 3 books short. 2nd delivery was 1 book short. After every delivery, I immediately emailed to let them know. Noone answers the telephone, noone responds to emails. They still owe me delivery of 1 book. After about 6 followup emails they have suddenly closed my order as complete and delivered. They still either owe me a refund or delivery on the book. UNACCEPTABLE!!!!!!!