THE plotline was great: invite the prime minister of Bangladesh over as chief guest for the 1999 Calcutta Book Fair, combine good diplomacy and culture, and bring West Bengal and Bangladesh a little closer. But the authors-in this case, the Publisher's Guild-hadn't counted on Murphy's Law stepping in to play the villain of the piece. A fortnight after the book fair ended, the controversy over how the Bangladeshi delegation was treated is still raging in both Dhaka and Calcutta.