I'd try the Academic Bookstore which has a large stock of books of all sorts: www.akateeminenkirjakauppa.fi/. See also, http://www.bookstoreguide.org/2007/10/

I'd try the Academic Bookstore which has a large stock of books of all sorts: www.akateeminenkirjakauppa.fi/. See also, http://www.bookstoreguide.org/2007/10/akateeminen-kirjakauppa-helsinki.html http://www.bookstoreguide.org/2007/10/akateeminen-kirjakaupp.... The website can be navigated in English, Swedish, and Finnish. The book series you appear to be looking for, Matikka, can be found via the on site search engine.