Write SQL query to solve given problem: Who is the publisher of Hitchhiker's Guide To The Galaxy: The Filming of the Douglas Adams classic?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T2.publisher_name FROM book AS T1 INNER JOIN publisher AS T2 ON T1.publisher_id = T2.publisher_id WHERE T1.title = 'Hitchhiker''s Guide To The Galaxy: The Filming of the Douglas Adams classic'