The Entire March Family Trilogy

William Dean Howells did not write a March Family Trilogy. Instead you might be referring to Louisa May Alcott the author of the Little Women series which features the March family. The Little Women series includes:Little Women (1868): This is the first book in the series and introduces the four March sisters—Meg Jo Beth and Amy—and their mother Marmee. The novel follows their lives as they grow up face various challenges and strive to achieve their dreams during the American Civil War.Good Wives (1869): Sometimes published as Part Two of Little Women Good Wives continues the story of the March sisters as they enter adulthood and experience new adventures challenges and romantic interests.Little Men (1871): This is the third book in the series and focuses on Jo March's life as she establishes a school for boys called Plumfield. It introduces new characters and continues to explore themes of family education and personal growth.Jo's Boys (1886): Jo's Boys is the final book in the series and follows the lives of the characters introduced in Little Men as they face the challenges of adulthood careers and relationships.