Question: is the movie mudbound based on a book

Answer: Yes, Mudbound (2008) is the debut novel by American author Hillary Jordan. It has been translated into French, Italian, Serbian, Norwegian, Swedish, and Turkish and has sold more than 250,000 copies worldwide. The novel took Jordan seven years to write. She started it while studying for an MFA in Creative Writing from Columbia University. It was adapted as a 2017 film of the same title.