The mystery of room 13

Part:1Not becoming a detective, I just want to sleep in the maths period. But on Monday I opened my notebook and saw. A line written by red pen they are watching you ". And I didn't write it . I told ...

Aditya BhatnagarMy name is Aditya Bhatnagar. I am a 9th class student with some writing skills and I study in Modern Era Public School Bijnor.