What is the difference between 書物、本 and 著書?
From what I understand each of them more or less means book/publication, but I am sure the usage depends on the context!? Can somebody give me example usages? Thanks in advance! :)

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Answer

本is the most common word for books.

書物、著書are not as common but easily understood especially in writing because of kanji.

著者refers to a writer and maybe thats more commonly used.

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I had never heard '書物' before I saw this question and googled it...
書物 got 2 meanings:1.book 2.something related to the books(Nobody uses it in spoken occasion or so I thought?!)
书本 is a noun while 著書 is a verb...著means to write (写）著書比写书更加书面化表达正如 书物与书本的关系一样