12-21 is a publisher who has published at least 40 editions.
#3 of 3 in The Hunger Games
August 24, 2010 • Physical Book • 2 Readers • 324 pages • 3.8
#1 of 4 in Nevermoor
October 12, 2017 • Physical Book • 1 Reader • 267 pages • 4.4
#1 of 6 in Warriors
January 1, 2005 • Physical Book • 1 Reader • 823 pages
#3 of 32 in Stephanie Plum
February 14, 1997 • Physical Book • 1 Reader • 245 pages • 3
#0.5 of 2 in John Lago Thriller
February 4, 2014 • Physical Book • 1 Reader • 38 pages • 1
#1 of 16 in オオカミ少女と黒王子 [Ookami Shoujo to Kuro Ouji]
October 25, 2011 • Physical Book • 1 Reader • 180 pages
#11 of 27 in Vinland Saga
January 23, 2012 • Physical Book • 1 Reader • 196 pages • 4.3
September 29, 2015 • Physical Book • 1 Reader • 369 pages • Info 1 • 5
February 13, 2017 • Physical Book • 1 Reader • 196 pages • 3
#1 of 16 in Guardians of Ga'Hoole
June 1, 2003 • Physical Book • 1 Reader • 139 pages
89 Star Wars Canon
May 3, 2016 • Physical Book • 1 Reader • 400 pages • 3.8
September 1, 2016 • Physical Book • 1 Reader • 284 pages • 3
#2 of 6 in Lizzie Martin
January 1, 2008 • Physical Book • 1 Reader • 279 pages • 3
#1 of 6 in Lizzie Martin
January 1, 2006 • Physical Book • 1 Reader • 216 pages • 3
#2 of 4 in Nevermoor
October 30, 2018 • Physical Book • 1 Reader • 321 pages • 4.5
#2 of 9 in Victor Legris
January 1, 2003 • Physical Book • 1 Reader • 233 pages
#2 of 32 in Stephanie Plum
June 1, 1996 • Physical Book • 1 Reader • 290 pages
#2 of 31 in Sister Fidelma
September 1, 1996 • Physical Book • 1 Reader • 214 pages • 3
#1 of 4 in Charlotte Holmes
March 1, 2016 • Physical Book • 1 Reader • 225 pages • 3.6
#5 of 6 in The Mortal Instruments
May 8, 2012 • Physical Book • 381 pages • 3.9
#2 of 3 in Le Leggende del Mondo Emerso
June 3, 2009 • Physical Book • 231 pages
#1 of 3 in Le Leggende del Mondo Emerso
January 1, 2008 • Physical Book • 296 pages
#1 of 3 in The Hunger Games
December 4, 2014 • Physical Book • 13 pages • 4.1
#3 of 3 in Le Leggende del Mondo Emerso
November 30, 2010 • Physical Book • 244 pages
89 Star Wars Canon
October 11, 2016 • Physical Book • 236 pages • 3.8
September 19, 2019 • Physical Book • 221 pages
#1 of 1 in La Carte des confins
May 6, 2021 • Physical Book • 395 pages • Info Pocket Jeunesse • 5
#6 of 8 in Foundation (Publication Order)
May 1, 1988 • Physical Book • 375 pages • 3.9
#7 of 8 in Foundation (Publication Order)
April 1, 1993 • Physical Book • 477 pages • 4
#1 of 3 in The Mortality Doctrine
October 8, 2013 • Physical Book • 146 pages • Format Paperback • 3.4
#1 of 2 in The Maze Cutter
September 2, 2021 • Physical Book • 230 pages • 3.4
#2 of 5 in The Maze Runner
October 12, 2010 • Physical Book • 234 pages • Format Kindle Edition • 3.6
#3 of 5 in The Maze Runner
October 11, 2011 • Physical Book • 365 pages • 3.4
#2 of 3 in The Hunger Games
September 1, 2009 • E-Book • 305 pages • Format ebook • 4.1
#1 of 3 in The Hunger Games
September 14, 2008 • Physical Book • 308 pages • Info Pocket Jeunesse • 4.1
#0 of 3 in The Hunger Games
May 19, 2020 • Physical Book • 465 pages • Format Kindle Edition • 3.7
#1 of 6 in Bravelands
January 1, 2016 • Physical Book • 243 pages • 3.7
#3 of 3 in The Infernal Devices
March 19, 2013 • Physical Book • 420 pages • 4.4