In addition to the multidisciplinary sources listed below, many subject specific indexes will cite reviews of scholarly books (though some major indexes do not). First search E-Research Tools by Discipline, select a subject (e.g., Psychology), then try the Recommended Databases -- as they usually include the pricipal indexes for a subject discipline (e.g., PsycCRITIQUES is a database of book reviews in Psychology).
When searching in databases, try these handy tips for better results:
If an article search comes back that we don't have an item:
1) Click the button
2) If available, click an article link, if not, click the journal link
3) If not available online, then Search the UNC Libraries' catalog by Title/ISSN to see if we have the journal in print.
4) If none are available, click the request via interlibrary loan link