Recommended links:

Publishers and publications
Asimov's - sf stories, novellas and novelettes
The Bow-Wow Shop - online poetry publication
Fiction Uncovered - stories, reviews, articles, events and news
The Fortnightly Review - literary, political, theatrical, cultural, historical and theological reviews
International Literary Quarterly - poetry, prose and artwork
Jewish Quarterly - literature, culture and politics
The London Magazine - Britain's oldest literary periodical
Menard Press - publisher of fiction, history, poetry, criticism and more
Paraxis - online publisher of short stories
PM Press - California-based publisher with excellent fiction and non-fiction lists
Quartet Books - high profile UK Publisher
The Reader - magazine of the UK charity promoting reading and social change
ReadySteadyBook - independent book review website
Shearsman Books - international publisher of new poetry
Tangent - online sf and fantasy review
TTA Press - publisher of Interzone, Black Static and Crimewave

Aliette de Bodard - writer of fantasy and sf
China Mieville's blog and official website
Gathering Scraps - the blog of writer and editor Claire Massey
Gareth L Powell - blog and website of sf novelist and short story writer
Graham Joyce - the blog of the East Midlands based novelist
Iain Sinclair - 'official unofficial' website of the walker, poet, novelist and essayist
Jason Sanford - 'fiction, thoughts and ramblings' of the sf and fantasy author and critic
The M John Harrison blog - thoughts, news and work from the author and critic
Moorcock's Miscellany - Michael Moorcock news, reviews, forums and more
Nicholas Royle - news from the writer, critic and publisher
Phil Rickman - website of the writer and broadcaster
The Spider's House - homepage of Nina Allan, writer
Trevor Hoyle - homepage of the author and playwright

Other sites
Royal Literary Fund - benevolent fund for professional published authors
The Book Depository - online bookseller