That's a good list! I have several of those books already.
Here are a few more Top 10 lists for conservative books:
Top 10 Conservative Books of 2006
http://www.humanevents.com/lists.php?id=18356
Top 10 Books Every Republican Congressman Should Read
http://www.humanevents.com/lists.php?id=18137
Top 10 Books Liberals Would Like to Burn
http://www.humanevents.com/lists.php?id=15003
Great lists
tag for later reference.