For our dutch and Belgian readers the link to the review of the dutch translation of invisible in "Parool"
http://www.parool.nl/parool/nl/26/BOEKEN/article/detail/262493/2009/09/23/Paul-Auster---Onzichtbaar.dhtml
I just bought the book a few days ago at the FNAC (English edition, we'll see how it is...
Just in case you don't know, there's this interview at youtube:
http://www.youtube.com/watch?v=wuEpBEPTxUU