Here's one that has many scholarly reviews.
Click on the book to see the review results.
Here's an example of a book with several reviews, but none are scholarly. The search was by title of the book.
Just click on the book and you'll see the review results.
OneSearch makes finding a book review a snap - sometimes!
Remember that this is a new product and it is still evolving. You might be fortunate and find exactly what you need. If not, use the other sources recommended in this guide.