Set of 4 Chetan Bhagat books

Book1:
Book Title: Five points someone what not to do in IIT
Author: Chetan Bhagat
Pages: 270
Publisher: Rupa Publisher
The pages are yellow due to storage and there are brown spots in last few pages

Book2:
Book Title: One night at call center
Author: Chetan Bhagat
Pages: 291
Publisher: Rupa Publisher
The pages are yellow due to storage

Book3:
Book Title: Half Girlfriend
Author: Chetan Bhagat
Pages: 260
Publisher: Rupa Publisher
The pages are yellow due to storage

Book4:
Book Title: One Indian Girl
Author: Chetan Bhagat
Pages: 272
Publisher: The pages are yellow due to storage and there are brown spots in few pages