What are your favorite book review sites on Twitter? We are putting the finishing touches on our growing book review directory for GalleyCat Reviews, and we realized that we can’t exclude Twitter.

The microblogging site has become a hub for many book reviewers and readers. Last year, we interviewed Eric Mueller, the co-founder of the Twitter book review, Flashlight Worthy Book Recommendations. They’ve since grown to include more than 80,000 followers.

In addition, we’ve already uncovered a few hashtags for literary criticism, including: #bookreviews, #reviews #books, and #bookchat. Even better, TweepSearch lists 575 book reviewers on Twitter.

Where do you go for book reviews on Twitter? Add your favorite Twitter reviewers in the comments section, we’ll add them to our growing collection of literary criticism on Twitter. After the jump, check out the ten most popular self-identified book reviewers on Twitter, ranked by number of followers.

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David Puner, the Dunkin’ Donuts communications manager who runs the @DunkinDonuts Twitter feed, has become an accidental celebrity on the micro-blogging website.

Nicknamed Dunkin’ Dave, he’s collected more than 25,500 followers with his blend of promotion, conversation, and science fiction jokes. Puner was a featured expert at O’Reilly Media’s Twitter Boot Camp, and he shared some Twitter secrets for publishers in this video interview.

GalleyCat also spoke with Twitter expert Carri Bugbee for advice about how to tweet for fictional characters and Eric Mueller about how to combat the incredible shrinking book review.

After six months on Twitter, the website Flashlight Worthy Books has built a dedicated group of 64,000 followers–a flourishing new outlet for writers and readers.

As traditional book review outlets shrink, this site is bringing the book review into the micro-blogosphere with customized book lists. GalleyCat caught up with Flashlight Worthy co-founder Eric Mueller for an exclusive interview about the future of the book review and how publishers can get involved with his popular website.

The interview was shot at O’Reilly Media’s Twitter Boot Camp, where experts pondered this new social networking tool. GalleyCat also spoke with Twitter guru Carri Bugbee, getting advice about how to tweet for fictional characters.