Natural Lighting Book by Hopkinson et al., 2nd Edition

I have for sale a copy of the book "Natural Lighting" by R.G. Hopkinson, P. Petherbridge, and J. Longmore, 2nd edition, 1980, Calouste Gulbenkian Foundation. Softcover, 778 pages. In excellent overall condition. Hand-delivery available in Braga. No shipping provided. No returns accepted.