Six Books:
I like him, He likes her. (Three in one). $6
The Luxe. $3
Balefire. (Four in one). $6
The Future of Us. $3
Wicked. (Two in one). $4
Until the End. (Three in one). $6
Total = $28 but i'll give you them all for $25
So you're technically getting 14 books!