Question: In how many volumes was this work by Louisa May Alcott published to which the Canadian television show Little Men was a follow-up?

full_context: Document 1: Little Men (1934 film): Little Men is a 1934 American feature film based on Louisa May Alcott's 1871 novel "Little Men". It stars Ralph Morgan and Erin O'Brien-Moore, was directed by Phil Rosen, and released by Mascot Pictures.
Document 2: List of Little House on the Prairie books: The original Little House books were a series of eight autobiographical children's novels written by Laura Ingalls Wilder and published by Harper & Brothers from 1932 to 1943. The eighth book, "These Happy Golden Years", featured Laura Ingalls at ages 15 to 18 and was originally published with one page at the end containing the note, "The end of the Little House books." The ninth and last novel written by Ingalls Wilder, "The First Four Years" was published posthumously and unfinished in 1971. Although her intentions are unknown, it is commonly considered part of the Little House series and is included in the 9-volume paperback box set "Little House, Big Adventure" (Harper Trophy, May 1994).
Document 3: Eden's Outcasts: Eden's Outcasts: The Story of Louisa May Alcott and Her Father is a 2007 biography by John Matteson of Louisa May Alcott, best known as the author of "Little Women", and her father, Amos Bronson Alcott, an American transcendentalist philosopher and the founder of the Fruitlands utopian community. "Eden's Outcasts" won the 2008 Pulitzer Prize for Biography.
Document 4: Little Men (1940 film): Little Men (1940) is an American film based on the novel "Little Men" (1871) by Louisa May Alcott. Norman Z. McLeod directed the film.
Document 5: Tales of Little Women: Tales of Little Women (愛の若草物語 , Ai no Wakakusa Monogatari , "Love's Tale of Young Grass") , also simply known as Little Women, is a 1987 Japanese animated television series adaptation of Louisa May Alcott's "Little Women", produced by Nippon Animation.
Document 6: Little Men: Little Men, or Life at Plumfield with Jo's Boys, is a novel by American author Louisa May Alcott, first published in 1871. The novel reprises characters from "Little Women" and is considered by some the second book in an unofficial "Little Women" trilogy, which is completed with Alcott's 1886 novel "Jo's Boys, and How They Turned Out: A Sequel to "Little Men"". It tells the story of Jo Bhaer and the children at Plumfield Estate School. It was inspired by the death of Alcott's brother-in-law, which reveals itself in one of the last chapters, when a beloved character from "Little Women" passes away. It has been adapted to a 1934 film, a 1940 film, a 1998 film, a television series, and a .
Document 7: Little Women: Little Women is a novel by American author Louisa May Alcott (1832–1888), which was originally published in two volumes in 1868 and 1869. Alcott wrote the books rapidly over several months at the request of her publisher.
Document 8: Little Men (TV series): Little Men is a Canadian television show that first aired on November 7, 1998 on the PAX TV network and was shown in Canada on CTV beginning January 1, 1999. The show is set as a continuation from the Louisa May Alcott novel "Little Men" (1871) as a follow-up to "Little Women". Due to low ratings, the show was cancelled after 2 seasons, with the final episode aired on December 17, 1999.
Document 9: Louisa May Alcott: Louisa May Alcott ( ; November 29, 1832March 6, 1888) was an American novelist and poet best known as the author of the novel "Little Women" (1868) and its sequels "Little Men" (1871) and "Jo's Boys" (1886). Raised by her transcendentalist parents, Abigail May and Amos Bronson Alcott in New England, she also grew up among many of the well-known intellectuals of the day such as Ralph Waldo Emerson, Nathaniel Hawthorne, and Henry David Thoreau.
Document 10: Little Women (1950 TV series): Little Women is a British television mini-series broadcast by the BBC from 1950 to 1951 in six parts. An adaptation by Winifred Oughton and Brenda R. Thompson of Louisa May Alcott's "Little Women", it was produced by Pamela Brown and sets were designed by Stephen Taylor. Cast included Sheila Shand Gibbs, Jane Hardie, Norah Gorsen, David Jacobs, Anita Sharp-Bolster, Susan Stephen, Barbara Everest, Wensley Pithey, and Alan Bromly.
Document 11: Pikku Kakkonen: Pikku Kakkonen (Finnish for "the little two") is an ongoing Finnish magazine-type children's TV show shown on Yle TV2. The first episode aired on January 11, 1977. It finished with a bedtime story read by Lasse Pöysti and an East German Sandman animation, setting the format for hundreds of later episodes.
Document 12: Little Women II: Jo's Boys: Little Women II: Jo's Boys, also known as Wakakusa Monogatari Nan to Jō Sensei (若草物語ナンとジョー先生 , "Tale of Young Grass: Nan and Miss Jo") is a 1993 Japanese animated television series based on Louisa May Alcott's "Little Men", produced by Nippon Animation. The title is taken from "Jo's Boys", the title of the sequel to "Little Men".
Document 13: Little Women (1917 film): Little Women is a 1917 British silent drama film directed by Alexander Butler and starring Daisy Burrell, Mary Lincoln and Minna Grey. It was the first film adaptation of the American novel "Little Women" by Louisa May Alcott. It is now considered a lost film.
Document 14: Laura Ingalls Wilder: Laura Ingalls Wilder ( ; February 7, 1867 – February 10, 1957) was an American writer known for the "Little House on the Prairie" series of children's books released from 1932 to 1943 which were based on her childhood in a settler and pioneer family.
Document 15: Little Women (1981 TV series): Little Women, also known as Little Women's Four Sisters (若草の四姉妹 , Wakakusa no Yon Shimai ) or From "Little Women Story": Little Women's Four Sisters (「若草物語」より 若草の四姉妹 , "Wakakusa Monogatari" Yori: Wakakusa no Yon Shimai ) , is a 1981 Japanese animated television series adaptation of Louisa May Alcott's "Little Women". The series is directed by Kazuya Miyazaki (a veteran Toei director whose credits included "Cutie Honey" and "UFO Robo Grendizer" among others) and produced by Toei Animation for the Kokusai Eigasha (Movie International) company.
ground_truth: two