Since the url's are invalid (sitename.subdir.com,) I'll assume you're trying to
be generic.  But that means we can't be specific.

> 02:27:20 Error:  "Unauthorized" (401) at link
> sitename.subdir.com/books?id=peIDAAAAMBAJ&source*

I doubt "source*" is valid

> 02:27:20 Error:  "Unauthorized" (401) at link
> sitename.subdir.com/books?id=htYDAAAAMBAJ&source=gbs
> _all_issues_r&cad=2_2 (from primary/primary)

The site is protected.  You have to have httrack log in:
<http://httrack.kauler.com/help/Authentication>
Or, copy your browsers cookies.txt to the mirror directory and don't forget to
filter out the log-out url