"I/We would like to thank X for his/her review of my/our book,
Y. ..."
And, while we're on the subject, ...
Professor Grumpy's Wise Words, no.(?)2
Never, ever, ever reply to a review. No matter how dick-witted, unfair, misrepresentational, potentially libellous it was, no one ever, ever, ever, made themselves look better by replying to a review.