Mayumi Ōtani
Mayumi Ōtani has written at least 2 books. Their most popular book is グリーンワールド（上） with 1 save with an average rating of -⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
2 primary booksAuthored 0% of series
Greenworld
Greenworld is a 2-book series with 2 released primary works first released in 2010 with contributions by Dougal Dixon.
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