Robert Ross
Robert Ross has written at least 6 books. Their most popular book is Letters to the Sphinx with 1 save with an average rating of -⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
2 primary booksAuthored 50% of series
Leonardo Da Vinci
Leonardo Da Vinci is a 2-book series with 2 released primary works first released in 1974 with contributions by Martin Woodhouse, Robert Ross, and Frank Zöllner.
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