so far there seems to only be two.
There isn't really any set number of books that are coming out. However, the author Joseph Delaney signed a contract for the 8th and 9th books. So you can look forward to at LEAST 9 books, although Delaney has stated that there may be 11 or 12.
There are two books in the series.
There are 4 books in the series.
There are currently 5 books in the series.
There are eleven books in that series
There are 6 books in this series.
27.5 is a lot of books in the series i think the correct answer would be 15 books in the series
13 books are in the 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.