Sienna Mercer
Sienna Mercer has written at least 28 books. Their most popular book is Half-minute horrors with 7 saves with an average rating of 4⭐.
They are best known for writing in the genres Fantasy, Young Adult, and Juvenile Fiction.
Series
11 primary booksAuthored 100% of series
My Sister the Vampire
My Sister the Vampire is a 11-book series with 11 primary works first released in 2007 with contributions by Sienna Mercer.
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