Listmania!
The reference books I couldn't be without
The Chambers DictionaryThe Chambers Dictionary
Buy used from: £11.08
The best one-volume dictionary there is - the standard for Crosswords and Scrabble. Indispensable.
Encyclopaedia Britannica 2006Encyclopaedia Britannica 2006
Buy used from: £1.50
Once this filled a bookshelf and cost two months' wages, now it fits in your pocket and costs two hours' pay. The sum of human knowledge.
The "Times" Atlas of the World: Comprehensive Edition (Times Comprehensive Atlas of the World)The "Times" Atlas of the World: Comprehensive Edition (Times Comprehensive Atlas of the World) by Collins Bartholomew
Buy used from: £85.92
You can buy cheaper atlases, but not better ones.
Chambers Biographical DictionaryChambers Biographical Dictionary
Buy used from: £4.59
The ultimate Who's Who - and Who Was.
The Chambers ThesaurusThe Chambers Thesaurus by Martin Manser
Buy used from: £27.37
The finest example of just how much Thesauruses have improved since the days of Roget.
Whitaker's Almanack 2006Whitaker's Almanack 2006 by ed. Inna Ward
Buy new: £34.00 / Used from: £0.01
Still quicker, better, more accurate and accessible than Google. A superb compendium of knowledge.
Brewer's Dictionary of Phrase And Fable 17th EditionBrewer's Dictionary of Phrase And Fable 17th Edition by John Ayto - Ed
Buy used from: £20.00
Delightfully eclectic, occasionally useless, often uniquely informative.
Chambers Dictionary of QuotationsChambers Dictionary of Quotations by Chambers (ed.)
Buy new: £23.75 / Used from: £11.65
For the purist, the Oxford dictionary is a better (and more expensive) bet, but Chambers is much more fun!
The Book of Lists: The Original Compendium of Curious InformationThe Book of Lists: The Original Compendium of Curious Information by David Wallechinsky
Buy used from: £0.01
Although never perhaps intended as a serious reference work, I never ceased to be amazed by how often I hoik this down from the shelf.
Guinness World Records 2006Guinness World Records 2006 by World Records Guinness
Buy used from: £1.83
Annoyingly useful