What book do I use after Minna No Nihongo 1&2?

AngieCookie
I've finished the first book and now using the second but I don't know which books to use after those. I'll be around level N4 so I guess books for N3 and then for N2. Which books are great for N3&N2 ?
What book do I use after Minna No Nihongo 1&2?
1 Opinion