Does anyone know where Burlington Books are published? Some say the UK, others Greece, Spain, Cyprus, Turkey. Are they a Greek company?
Try this site

http://www.burlingtonbooks.com /

Hello, Helen—and welcome to English Forums.

Did you try their website?— http://www.burlingtonbooks.com /
You could email them directly for accurate information: http://www.burlingtonbooks.com/Spain/Page.aspx?PageID=190&zoneIndex=0
Students: We have free audio pronunciation exercises.
They are written, produced and printed in Israel and are shipped worldwide.
In one of Burlington's books it has a PO address in Cyprus.
This is a language forum, not a companies search site. We offer no guarantees with the answers.
Teachers: We supply a list of EFL job vacancies
In Did. In Israel