This occurs for fresh installs of 2.2.2 - 2.2.3 PL 1 only. The ZIP has been updated for future downloads.
If anyone downloaded one of these versions before 28 April 2009 (unless it was 2.2.3 PL 1), download the latest build and upgrade.
After making sure your version is up-to-date, go to AdminCP -> Plugins & Products -> Product Manager. Edit "CES VaultWiki". Under version, enter "2.2.3". Save, then import the product file again (Allow Overwrite = yes). This should trick it into trying to install the patch level part again.
You will need to delete the articles that say "[redirect]adsga[/redirect]". Then, go to AdminCP -> CES VaultWiki -> Namespace Manager. Find the namespaces that you deleted articles from, and click "Rebuild" for each one. Hopefully that will rescue your Book associations.