Biztalk Product Documentation

Here are the list of official Biztalk Documentations from Microsoft for various version of BizTalk Server.

Biztalk Product Documentation

BizTalk Server 2009 Documentation
Author:Microsoft (4/20/2009)
This download includes updated and new content for BizTalk Server 2009. View it online at MSDN
BizTalk Server 2006 R2 Documentation
Author:Microsoft (3/26/2009)
This download includes updated and new content for BizTalk Server 2006 R2. View it online at MSDN
BizTalk Server 2006 Documentation
Author:Microsoft
This download includes updated and new content for BizTalk Server 2006.
BizTalk Server 2004 Documentation
Author:Microsoft ( 3/28/2005)
This download includes updated and new content for BizTalk Server 2004.
Microsoft BizTalk Adapter Pack 1.0
Author:Microsoft (4/20/2009)
Documentation for the BizTalk Adapter Pack 1.0 in CHM format.
Microsoft BizTalk Adapter Pack 2.0
Author:Microsoft (4/24/2009)
Documentation for the BizTalk Adapter Pack 2.0 in CHM format.
Microsoft BizTalk RFID Documentation
Author:Microsoft (12/7/2007)
Microsoft BizTalk RFID Documentation