Half girlfriend book is one of the famous books written by Chetan Bhagat.
The book has a good plot and very good story.
It story is based on the love of a boy named Madhav who belongs to Bihar and rich girl Riya from Delhi. the story depicts the deep love between teenagers belonging to complete different background.
The story is written in such a way that you will have a craze to read the book and finish the story. The last some pages would be the best when the story is written in a monotonous and continuous way.
Overall it is a very good book.