3
There are 4 books in the series.
There are two books in the series.
No. There are many nonfiction series books.
27.5 is a lot of books in the series i think the correct answer would be 15 books in the series
There are 6 books in this series.
There are currently 5 books in the series.
There are eleven books in that series
There are 10 books in the demonata series.
There are a total of seven books in "The Unwanteds" series written by Lisa McMann.
21 books in this series so far
There are three books in the night world series
There is going to be 6 books total in the whole series.