One of the topics in the news this week has been the question of a 'hung Parliament'
To find out what this is try checking the BBC FAQ
The House of Commons Library also has this useful briefing note
This week the Hansard society also released a pamphlet on this issue Who Governs? Forming a coalition or a minority government in the event of a hung Parliament sets which sets out the procedures and possible impact. It can be downloaded from their website.
The New Statesman has also gathered together a collection of articles on the topic
The Times has a useful interactive election map. It uses data from the Ladbrokes betting site and Professors Colin Rallings and Michael Thrasher, from Plymouth University to make predictions
The BBC swingometer is a more fun way to look at how swings in the vote could cause a hung parliament
and the Electoral Calculus site provides regularly updated prtedictions on results plus links to online papers and reports on both a national and constituency basis.