YOU SAID:

He changes his theme for a bit and later writes a monography.

INTO JAPANESE

彼はテーマを少し変えて、後に単著を書きます。

BACK INTO ENGLISH

He later wrote a solo work with a slightly different theme.

INTO JAPANESE

その後、彼は少し異なるテーマのソロ作品を書きました。

BACK INTO ENGLISH

Later, he wrote solo works with slightly different themes.

INTO JAPANESE

その後、彼は少し異なるテーマのソロ作品を書きました。

BACK INTO ENGLISH

Later, he wrote solo works with slightly different themes.