"Parapar" is a Bangla novel written by the acclaimed Bangladeshi author Humayun Ahmed. It was first published in 1982 and is widely regarded as one of Ahmed's most popular and significant works.

The novel follows the story of a young woman named Ratri who is forced to marry against her will. After her husband dies, Ratri inherits his estate, which includes a large, dilapidated mansion. Ratri becomes obsessed with restoring the mansion to its former glory, and she enlists the help of a young architect named Sipu. As they work together to renovate the mansion, Ratri and Sipu develop a deep connection, and their relationship begins to blossom into a romance.

"Parapar" deals with themes of love, loss, and the struggle for personal freedom and independence. It also explores the complexities of relationships, particularly those between men and women in the context of Bangladeshi society.

The novel is widely regarded as a masterpiece of Bangladeshi literature and has been adapted into several film and television adaptations. "Parapar" continues to be widely read and celebrated as one of Humayun Ahmed's most enduring works.