I am trying to select a different set of results for a product depending on a product type. So if my product should be a book I want it to look up the UPC and Artist for a n
You Could try the other format for the case statement
CASE WHEN Product.type_id = 10 THEN ( Select Statement ) ELSE ( Other select statement ) END FROM Product WHERE Product.product_id = $pid
See http://msdn.microsoft.com/en-us/library/ms181765.aspx for more information.