Old book valuation

[Presuming_Ed]

Does anyone know how to get a very old and rare book valued?

[james_tigerwoods]

Not personally, but google threw these up:

http://www.booklovers.co.uk/valuation.asp
http://www.bid4abook.co.uk/rarebookresearch/antval...
http://www.mumfordbooks.co.uk/valuation.asp