Scholarly Paper of a Single Special Subject
This page is the CodyCross answer for the clue below from Welcome to Japan, Group 562, Puzzle 2 (The Hells of Beppu).
Question is: Scholarly Paper of a Single Special Subject
and the answer is: MONOGRAPH
Word Meaning:
MONOGRAPH — A scholarly book or a treatise on a single subject or a group of related subjects; especially, such a document that is written by one person.
Definitions from Wiktionary.