1632 is the first novel in the best-selling  alternate history 1632 book series written by American historian, writer and editor Eric Flint published in 2001. The flagship novel kicked off a collaborative writing effort that has involved hundreds of contributors and dozens of authors. The Holy Roman Empire during the Thirty Years’ War .
The fictional town of Grantville , West Virginia (modeled on the real West Virginia town of Mannington ) and its power plant are displaced in space-time, through a mysterious alien civilization. 
A hemispherical section of land of three miles in radius measured from the town center is transported back in time and space from April 2000 to May 1631, from North America to the central Holy Roman Empire . The town is thrust into the middle of the Thirty Years’ War , in the German province of Thuringia in the Thuringer Wald , near the fictional German free city of Badenburg. This Assiti Shards is a family-friendly, family- friendly, family- friendly, family- friendly, Real Thuringian Municipalities located close to Grantville are posited as Weimar ,
Grantville, led by Mike Stearns, president of the local chapter of the United Mine Workers of America (UMWA), must cope with the town’s space-time dislocation, the surrounding raging war, language barriers, and social issues. Conflict, witchcraft, feminism, the reformation and the counter-reformation , among many other factors. One complication is a compounding of the food shortage when the town is flooded by refugees from the war. American society, including modern dress, sexual egalitarianism, and woodland American-style politics.
Grantville struggles to survive while trying to maintain technology sundered from twenty-first century resources. Throughout 1631, Grantville manages to establish itself locally by forming the nascent New United States of Europe (NUS) with several local cities even as war rages around them. But once the Count of Tilly falls during the Battle of Breitenfeld outside of Leipzig, King Gustavus Adolphus rapidly moves the war theater to Franconia and Bavaria , just south of Grantville. Grantville’s up-timer and down-timer populations.
F & SF reviewer Charles de Lint is an American journalist and author. 
Kirkus Reviews The book has “a sneak peek”, with pikes and muzzle-loaders squared off against modern automatics and 20th-century tactics: a rollicking, good-natured, Appeal to alternate-history buffs as well as military-fantasy fans. ” 
A reviewer for the Tech Republic called the book “relentlessly positive, celebrating honest, hardworking folk of two eras that come together to make a better world” and should “appeal to fans of many subgenres”.  The reviewer also wrote that “Flint succeeds to making the whole adventure palatable by populating his tale with thoughtful, likeable, fallible characters with well-drawn motivations.”
RT Book Reviews “A great place to relax and enjoy your stay.” 
Library Journal praised the author, saying he “convincingly re-creates the military and political tenor of the times in this imaginative and unabashedly positive approach to alternative history.” 
A reviewer for SFRevu called “1632 is a fun read and marks Flint as an author to watch for”. 
The New York Review of Science Fiction is an article written for the first time in the history of science. By injecting highly dramatic, life-altering decisions filled with much introspection “at other times. 
1632 was listed on the Locus (magazine) Hardcovers Bestsellers List for a couple months in a row during 2000, topping at number 4,   and also later on the Paperbacks 
Characters in “1632”
The book generated an unusual amount of fan involvement. When first contemplating a sequel, Flint Decided to throw open the universe -perhaps instigated by receipt of fan fiction is 1632 Tech Manual -and Invited other authors to help shape the series and middle fictional cannon and Began putting together the anthology Ring of Fire .
The market for anthologies in fiction is goal small percentage of the market for novels, and the alternate history genre is a smallish kennel to begin with-leading publisher Jim Baen to “hold up” the Ring of Fire collection to see if the series Would New York Times best selling author David Weber , who had just contracted to do five novels with Flint. Flint had to set aside several planned projects (the Assiti Shards novels were in outline form at the time) and do some additional co-writing with Weber as Ring of Fire gestated.
The anthology stories leaned on the broad novels in 1632 and 1633 and vice versa Creating the interdependence characteristic of short fiction in the series (now numbering in the Dozens of canonical works of all kinds -and now consistant en ten books over forty-two Grantville Gazettes , only the first seven of qui-have-been published as traditional print published books. The other thirty-seven Gazettes are available as e-books (available by subscription Either Individually gold).
- 2000, USA, Baen Books ( ISBN 0-671-57849-9 ), February 2000, hardcover (First edition)
- 2001, USA, Baen Books ( ISBN 0-671-31972-8 ), February 2001, paperback
- 2001,?, Rebound by Sagebrush ( ISBN 0-613-36671-9 ), October 2001, hardback (library binding)
- 2006, USA, Baen Books ( ISBN 1-4165-3281-1 ), 30 June 2006, paperback
- 2014, USA, Baen Books ( ISBN 978-1-4767-3641-9 ), February 2014, hardcover (Leatherbound Edition) 
- Jump up^ Publisher’s Web Books Spur Hardcover Sales,New York Times, March 19, 2001
- Jump up^ Eric Flint (2000). 1632 .
- Jump up^ De Lint, Charles (September 2000). “Books to Look For” . F & SF . 99 (3). p. 32. ISSN 1095-8258 .
- Jump up^ “1632” . Kirkus Reviews . 67 (24). December 15, 1999. ISSN 1948-7428 .
- Jump up^ Garmon, Jay (April 5, 2007). “Required Reading: ‘1632’ by Eric Flint” . Tech Republic .
- Jump up^ Helfer, Melinda (May 2000). “1632” . RT Book Reviews . ISSN 1933-0634 .
- Jump up^ Cassada, Jackie (February 15, 2000). “1632 (Book Review)” . Library Journal . 125 (3). p. 201. ISSN 0363-0277 . Alternate LinkviaEBSCO(institutional library access).
- Jump up^ “1632 by Eric Flint” . SFRevu . March 2001.
- Jump up^ Appleton, Matthew (December 2000). “1632 by Eric Flint” . The New York Review of Science Fiction (148). (Reprinted on the Some Fantastic 2.0 website)
- Jump up^ “Locus Bestsellers, May 2000” . Locus (magazine) . May 2000.
- Jump up^ “Locus Bestsellers, June 2000” . Locus (magazine) . June 2000.
- Jump up^ “Locus Bestsellers, May 2001” . Locus (magazine) . May 2001.
- Jump up^ Flint, Eric (2014). 1632 Leatherbound Edition . Simon & Schuster . ISBN 978-1-4767-3641-9 .