OneSearch@IU
OneSearch will retrieve reviews from popular and scholarly sources. Some results will give a citation only; others will contain the full text. For those items with the citation only, try the IULink in the record. Do a keyword search using author names and title words (example: david foster wallace consider lobster). After searching use the Limit to: Options (on the left) and limit your results to Source Types: Reviews. You may also limit to Scholarly (peer reviewed) journals and full text. You may also try author names, title words and review (example: david foster wallace consider lobster review). You may do subject searching in the same fashion.
About OneSearch
Academic Search (EBSCO)
If you wish to limit your search to book reviews, use Advanced Search and select Document Type: Book Review and search.
About Academic Search
Google Scholar
Google Custom Search for book reviews