Chapter 1: The Strange Letter
Raihan, a tenth-grade student,lived in a small village in kaliganj.Ome afternoon,after returning form school,he noticed a blue envelope on his study table.
On it was written:
"If you have courage,open the blue door the old library."
Raihan was surprised.There was an old library in their village that had been closed for many years.People said it was haunted. But Raihan's curiosity was stronger that his fear.