sharepoint sites

hi friends

i am learning sharepoint server2007 but i can't understand some topics ,
which book is good one.
which site prepare

pls help urgent

There are many books available in the market some of them are as follows..

Apress Microsoft SharePoint Building Office 2007
Wrox Professinal SharePoint Development 2007.


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Husain Ali
Sr. SharePoint Developer
India

Hi,
Even i want to knw wats Sharepoint????Hows is it different from normal web development???