Maybe it&rsquos the pessimist in me, but looking at the title, the first thing that came to mind was the garbage hills of Delhi. You know, those unsavoury mounds at Ghazipur, slowly inching towards the sky with every passing year. The idea seemed too frightful for a children&rsquos book, so I corrected course. Perhaps they meant the Sahyadris, that verdant ark of biodiversity trailing along the Deccan