Sienna Mercer
Sienna Mercer has written at least 28 books. Their most popular book is Half-Minute Horrors with 16 saves with an average rating of 3.4⭐.
Authorship percentage indicates primary author status - excluding introductions, forewards and other contributions.
Series
13 primary booksAuthored 100% of series
My Sister the Vampire
My Sister the Vampire is a 13-book series with 13 released primary works first released in 2007 with contributions by Sienna Mercer.
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