monograph
🇺🇸
/ˈmɑːnəɡræf/
🇬🇧
/ˈmɒnəɡrɑːf/
a book or paper that focuses on one specific topic in detail
She wrote a monograph on the history of the local community.
她寫了一篇關於當地社區歷史的專題論文。