Where are the SPN books?

I have been carrying this piece of paper for about 6 weeks now. Ever since, school closed and my son said that his teacher told him that these books must be purchased for the start of the school year in 2011 which is tomorrow, these books had to be acquired.I thought it was simple. Bring the list to any bookshops in Brunei and buy the entire set. After the first bookshop, I realised it would it