Origionally i don't really know but I think there is more than 30 books (estimate). Here is a copy of the first book's cover ifyou haven't read the book it is in the graphic novels section.
No MeruPuri was not very popular and only profitable manga series are made into anime.
There is a total of 4 volumes for Merupuri
Matsuri Hino wrote the manga series called MerePuri(originally MeruPuri: Märchen Prince).The female mangaka Matsuri Hino (stylized in Japanese as 樋野まつり) is the author of Meru Puri.
As far as I can tell, there is no anime series for MeruPuri. It is only a manga. I could not even find any announcements that anyone decided to make it into an anime. You can watch the scanlations on youtube though.
There are 4 books in the series.
There are two books in the series.
No, it is a manga.
There are 6 books in this series.
There are currently 5 books in the series.
There are eleven books in that 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