6 individual suspense novels for teens from the series of Adventures of Feluda by Satyajit Ray.
The Green Set contains following books:
1. Dafanbhumitil Goodh
2. Ganeshache Gaudbangal
3. Kathmandutil Kardankal
4. Mumbaiche Dakoo
5. Devatecha Shaap
6. Mrutyughar