Compound of 必読 (must-read) + 書 (book/writing). Often used in recommendations and reading lists.
Common collocations
- 必読書リスト: must-read book list
- ~の必読書: must-read for ~
- 必読書として挙げる: to name as essential reading
Related words
- 必読: must-read (used as a modifier without 書)
- 推薦図書: recommended book — less strong; a suggestion rather than a requirement
- 課題図書: assigned reading — specifically books assigned for school reports or contests