Yes, calling this “the ultimate list” is a little ambitious, but I haven’t yet seen a full list online and this took awhile. (Good thing I love Twitter and books and hashtags and lots of Google-searching). If you are new to Twitter and have no earthly clue what a hashtag is, it’s basically a keyword that turns into a hyperlink through the magic of Twitter so that conversations can be easily followed. There are hashtags for almost everything, from the simple (#books) to the uh…what?! (#designcollaborationpokemon). This post is in reverence to the numerous hashtags for the book industry. I’ve organized them into categories and welcome everyone to add any I missed in the comments.

ONLINE BOOK CLUB
#BookOfTheDay  Kind of like #fridayreads (below) but not tied to a specific day.

#BooksILikedThatOthersDidnt Started this week, as the opposite of the original hashtag, #BooksOthersLikedThatIDidnt, described below. This one acknowledges unpopular books that you liked.

#BooksILovedGrowingUp People reminisce about their favorite childhood books. Started by @flavorpill.

#BooksImAfraidOf was also birthed from the hashtags above and below. @TNBBC wants to know “which books people are afraid to read, due to hype or size or author.”

#BooksOthersLikedThatIDidnt This tag started this week by @mincontro. Its purpose is obvious but keep in mind that it’s not about book bashing as some of its early adopters have reminded the Twitterverse. It’s more about how different all of our personal tastes are.

#FridayReads FridayReads was created by @thebookmaven for users to list what they are reading each Friday. If you need even more incentive to share, every time the number of participants reaches a certain point she gives away books! (Bethanne is also cataloging all of the Tweets on The Book Studio site.)

#GreatBooks A discussion of any books worthy of the tag.

#TwitterBookClub This one is the closest to a real book club. One book is chosen to discuss every month. More at The Book Studio or the Facebook page.

JUST FOR FUN
#BadLiteraryMashups You could say Pride and Prejudice and Zombies inspired this one. Tweeps make up their own literary mashups, aiming for the worst. There is a “best of” list on Huffington Post.

#BookRageous A fun tag where book lovers share the crazy things they do because they love books just that much. More on @jennIRL’s site.

#BooksThatSealTheDeal The books that you and your dream friends/soulmates have in common. Started by @bookladysblog yesterday.

#BookstoreBingo Hilarious accounts of the crazy things customers say/do in bookstores.

#LesserBooks Making great titles questionable by changing a word or two.

#RealLifeofaBookMarketer Fun posts from book PR and marketing pros sharing the less-than-glamorous side of the biz.

FOR AUTHORS
#AskAgent Writers can Tweet questions to literary agents.

#BookMarket This tag is for authors (and others) to share book marketing advice. It is lead by @ClaudiaC and usually has a theme for each Thursday’s weekly discussion (which occurs at 4pm ET). The official Twitter handle is @BookMarketChat.

#DearAuthor Pleas and advice from booksellers, editors, bloggers, etc.

#KidLitChat The pint-sized version of LitChat, described below. @gregpincus kindly transcribes the chats on his site.

#LitChat LitChat was started last year by @CarolyBurnsBass. It even has its own Twitter handle, @LitChat and website. Follow the live chat every MWF from 4-5pm ET for book discussions that cover a wide range of topics.

#PBLitChat This lit chat is for picture book authors. It has a Twitter handle, @pblitchat and transcripts can be found at this site.

#PubTip This tag, started by literary agent @RachelleGardner, was created for agents and editors to share advice with writers hoping to become published authors.
 
#QueryFail QueryFail is where agents and editors share real-life query stories in order to show authors how not to query an agent or editor. More about the tag on @colleenlindsay’s blog, The Swivet.

#ThrillerChat Another lit chat aimed at…guess who! Yep, thriller writers.

#WaysToImpressBooksellers Created in July by booksellers to share tips with authors. It seems to have faded out now but maybe it will be back (if not usurped by #DearAuthor).

#WhereIWrite  @HuffPostBooks wants to know where you write. There is a selection of past tweets on the website and they're going to compile more so keep 'em coming!

#YALitChat A YA version of the above lit chats. Also has its own Twitter handle, @YALitChat and website.

MORE PUBLISHING KNOWLEDGE-SHARING
#CoWriting This tag stands for the craft of writing and is a collection of keywords. @ColleenLindsay tweets "Writers/Editors/Pub Pros: If you had to associate specific tags to broad topic of Craft of Writing, what would they be?"

#DearBlogger Questions, tips and advice directed at bloggers.

#DearPublisher This tag started when @jennIRL sent out a “dear publisher” tweet sans hashtag. @HarperPerennial suggested the hashtag to keep track of similar tips. The full story on this tag is in the @ShelfAwareness article “Hashtags Could Save Publishing.”

#DearReader Questions, tips and advice directed at readers.

#FollowReader A weekly reader-focused book chat sponsored by e-galley site, @netgalley. Check the blog for notices on each week’s topic and recaps.

#PubQT Started by @RonHogan and @EdNawotka to answer general publishing industry questions. More info on the Publishing Perspectives site.

CELEBRATE!
#BooksellersOnTwitter Pretty self explanatory. @SarahABA has compiled a list as well. (It also looks like #indiebooksellers was a similar tag but the search results turned up nil.)

#WomenInPublishing is another recent creation—it started just this week by @jane_l to honor the fabulous women who work in our industry. There is a full directory now on @galleycat’s website.


Want to search for more? What the Hashtag is an alternate hashtag search option (besides Twitter) which also shows a trending graphs for each tag, links to the tag’s Twitter feed and website if available, and the latest mentions.

A wish for future book chats on Twitter
I would love if every book title mentioned in a Tweet was written as a hashtag so that we could all engage in one giant, everlasting book club. You wouldn’t have to read the same book at the same time, but could check out the tag to see what others have said and contribute your own thoughts. This was suggested in the past but hasn’t quite caught on yet. I forget as well, so I’m going to be the first reformer.

Disclaimer: I’m human so it’s quite possible I missed some tags or background information. And based on the number of hashtags created just this week, there will be plenty more to come! Please feel free to add more in the comments and we’ll keep updating the list.

#ThanksYouGuysAreTheBest
Love, @PhenixandPhenix & @peglouke