Book excerpt: The trail of a murder in a hotel in Kolkata takes Feluda, Topshe and Lalmohan Babu to the beautiful city of Kathmandu in Nepal. Here in the Himalayas the mystery deepens. A man claims he has a double, a crook who looks exactly like him. Then there is the tragic death of a helicopter pilot who discovered a nefarious smuggling ring. The intrepid trio faces danger amidst the busy bazaars, temples and stupas of Kathmandu and Lalmohan Babu has a scary, out-of-body experience. Finally Feluda comes face to face with his greatest adversary, a ruthless villain who will stop at nothing . . .