There are a number of magazines that are available in the UK. Some are printed, some are available in electronic format/on-line, some are available in either format.  Many are general, some are distribution specific.  One day the list here will be comprehensive, please note that there are other sites with SOME Linux content:

 

Ubuntu/FullCircleMagazine features articles mainly based around the Ubuntu distro

PCLinuxOS features articles mainly based around the PCLinuxOS distro

Linux Magazine

Linux Format

Linux User (& Developer)

Linux Focus  available in different languages.  Seems to have stopped around August 2005

Tux Magazine died around Feb 2007, though its 20 issues are still available for download

Free Software Magazine has been available as PDF, this situation has changed several times.

 

 

EZINES

Linux Gazette mainly text based

Linux World

Linux Watch  news items

 

SPECIAL NOTE

A list of books would be too major a task to undertake, but here is a link for books free to download or free to read on-line

http://www.linux.org/docs/online_books.html