At 73, P.V. Chinnathambi runs one of the loneliest libraries anywhere. In the middle of the forested wilderness of Kerala’s Idukki district, the library’s 160-books — all classics — are regularly borrowed, read, and returned by poor, Muthavan adivasis.

It’s a tiny tea-shop, a mud-walled structure in the middle of nowhere. The hand-written sign on plain  paper pinned to the front,  reads: