Darker Than Blue Magazines
The long running Deep Purple magazine Darker Than Blue ran for almost 60 issues. You can find out more and see highlights at the magazine archives on the older website curated by David Browne. Some old issues can still be purchased from the DTB shop.
http://www.deep-purple.net/DPASmags/DPASmagazines.htm

Darker Than Blue magazine cover, the Deep Purple magazine, edited by Simon Robinson