Thank you! You've finally sussed it. I went back to my function and modified it to rtrim the select from the table with the mangled data type and...

ChrisM@Work (1/8/2014)

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Your sample code generates errors:

Msg 208, Level 16, State 1, Procedure imageFileNameFromAddress, Line 5

Invalid object name 'dbo.imageFileFromBookPage'.

(1 row(s) affected)

(3 row(s) affected)

Msg 208, Level 16, State 1, Line 3

Invalid object...

I actually incorporated the code Lowell pointed out and edited the original post, although it was easy to miss; I have now instead re-built the entire post to try and...