
New "journey" of the ranking also known as the World Series/League of Publishing Houses @Twitter. Always in the 1st Saturday of each month (or next sunday), the top Publishing Houses in Twitter is created from the number of people who "follow" the profile of a Publisher of Books on Twitter.
See also the Top 10 Publishers Listed @Twitter (the number of lists (Listed) that the labels are part).
News: The next edition will be in February 2010 From this date the Top will be held from 2 in 2 months, alternating with the Top Editoras no Twitter (Publishing Houses from Portugal and Brazil)
Notes: Up

- Top USA/UK/Canada and Australia in December:
#1: 20874 (19642) Penguin Books (UK) @PenguinBooks (Listed 781)
#2: 13272 (12190) Chronicle Books @ChronicleBooks (Listed 596)
#3: 12555 (11967) O'Reilly Media @OReillyMedia (Listed 624)
#4: 12167 (11357): Little, Brown and Co @littlebrown (Listed 557)
#5: 11647 (10588) Chelsea Green @chelseagreen (Listed 248)
#6: 10450 (9697) Random House @randomhouse (Listed 608)
#7: 7297 (6949) Tor Books @torbooks (Listed 442)
#8: 6785 (6185) Simon & Schuster @simonschuster (Listed 535)
#9: 6107 (5369):

#10: 5549 (5334) Grand Central Publishing @GrandCentralPub (Listed 280)
4896: Bloomsbury (UK) @BloomsburyBooks (Listed 310) (New Entry)
4816 (4605) Harlequin Books (Canadá) @HarlequinBooks (Listed 269)
4691 (4369): Alfred A. Knopf @AAKnopf (Listed 259)
4518 (3821):

4361 (3879): Vintage Books (UK) @vintagebooks (Listed 289)
4301 (3951): Penguin Books Australia @PenguinBooksAus (Listed 211)
4073 (3873): University of Toronto Press (Canadá) @utpress (Listed 137)
3986 (3795): Thomas Nelson, Inc. @ThomasNelson (Listed 173)
3636 (3488): Orbit Books @orbitbooks (Listed 201)
#20: 3433 (3256): Vintage/Anchor @VintageAnchor (Listed 189)
3339 (3222): Unbridled Books @unbridledbooks (Listed 172)
3306 (3175): Algonquin Books @AlgonquinBooks (Listed 200)
3296: Faber and Faber (UK) @FaberBooks (Listed 228) (New Entry)
3254 (2983): Pearson @Pearson (Listed 94)
3142 (2799): Sortis Publishing @SortisBooks (Listed 33)
3131 (2952): Farrar, Straus and Giroux (Macmillan) @FSG_Books (Listed 191)
3059: Penguin Group (Canada) @PenguinCanada (Listed 161) (New Entry)
2988 (2845): Random House Digital (UK) @RandomDigital (Listed 144)
2907 (2755): Workman Publishing @WorkmanPub (Listed 142)
#30: 2653 (2571): HarperCollinsCanada @HarperCollinsCa (Listed 162)
2616 (2553): Atria Books @AtriaBooks (Listed 108)
2602 (2460): Pocket Books (Simon & Schuster) @Pocket_Books (Listed 120)
2463: Coffee House Press @Coffee_House_ (Listed 92) (New Entry)
2436 (2228): Pantheon Books @PantheonBooks (Listed 84)
2395 (2233): Tin House Books @Tin_House (Listed 130)
2378 (2235): Harper Perennial @HarperPerennial (Listed 203)
2359 (2191): Doubleday Publishing @doubledaypub (Listed 183)
2320 (2207): HarperCollins (UK) @HarperCollinsUK (Listed 129)
2314 (1895): Salt Publishing (UK) @saltpublishing (Listed 113)
#40: 2299 (2196): HarperCollins Australia @HarperBooksAus (Listed 136)
2279 (2136): Canongate Books (UK) @canongatebooks (Listed 139)
1903: Melville House @melvillehouse (Listed 128) (New Entry)
1767 (1653): Ebury Publishing (UK) @eburypublishing (Listed 99)
1717: Bloomsbury USA @BloomsburyUSA (Listed 117) (New Entry)
1716 (1479): Transworld Books (Random House) (UK) @TransworldBooks (Listed 97)
1558 (1492): Dzanc Books @DzancBooks (Listed 101)
1482: House of Anansi Press (Canada) @HouseofAnansi (Listed 104) (New Entry)
1459 (1424): Heinemann Publishing @NewAtHeinemann (Listed 50)
1447 (1381): Pan Macmillan (UK) @panmacmillan (Listed 105)
#50: 1430 (1574): SterlingHouse Publisher @SterlingHouse (Listed 26)
1422(1257): Free Press @freepressbooks (Listed 94)
1376 (1097): Folio Society @foliosociety (Listed 210)
1368 (1222): Tor.com @tordotcom (Listed 156)
1288 (1243): Touchstone Fireside (Simon and Schuster) @TFBooks (Listed 89)
1257 (1148): PublicAffairs @public_affairs (Listed 57)
1135 (1105): New Directions @NewDirections (Listed 54)
892: ECW Press (Canada) @ecwpress (Listed 55) (New Entry)
874 (825): Grove Atlantic, Inc @groveatlantic (Listed 64)
852 (763): Amulet Books @AmuletBooks (Listed 65)
#60: 706: Scholastic UK @scholasticuk (Listed 61) (New Entry)
706: ABRAMS @ABRAMSbooks (Listed 59) (New Entry)
591 (559): It Books (HarperCollins Publishers) @youritlist (Listed 16)
540 (475): Pluto Press @PlutoPress (Listed 38)
532 (490): Simon & Schuster Australia @SimonSchusterAU (Listed 39)
510: Carlton Books (UK) @carltonbooks (Listed 32) (New Entry)
410: Bookkake (UK) @bookkake (Listed 18) (New Entry)
357 (326): Atlantic Books (UK) @AtlanticBooks (Listed 33)
333 (324): Engage Books (Canadá) @EngageBooks (Listed 14)
264 (222): Atlas and Co. @AtlasAndCo (Listed 20)
#70: 178 (158): Cormorant Books (Canadá) @cormorantbooks (Listed 18)
118 (83): BL Publishing (UK) @BLPublishing (Listed 14)
202 (96): DC Comics @DCComics (Zero Tweets) (Listed 6) Note: will be excluded
[Arquivo: 1ª Edição, 2ª Edição, 3ª Edição, 4ª Edição, 5ª Edição, 6ª Edição, 7ª Edição]