The April update to SQL Server 2005 Books Online is available from the
following locations:
On the Download Center:

http://www.microsoft.com/downloads/details.aspx?FamilyID=be6a2c5d-00df-4220-b133-29c1e0b6585f&DisplayLang=en

On MSDN Library:

http://msdn2.microsoft.com/en-us/library/ms130214.aspx

Shrink database?
Problem with Grouping
Top 10 clients per case type & country
Which query will be faster ?
indexed view and 'ANSI_NULLS