New Delhi, Aug. 30 -- In the era of YouTube, when every recipe from almost every part of the world is a three-minute video, it's hard to see the appeal of cookbooks. Instead of struggling with near-existential questions like 'what kind of cup?', 'what is a drizzle?' and 'what is a fl oz?', it's far easier to find a video and follow along, knowing instantly whether you're heading toward unmitigable disaster or can course correct for a passable meal. 'Steam till shiny' leads to absolute frustration when read in a book, but makes perfect sense in a video when the helpful host shows you how. Yet, the cookbook business is thriving and you can find books of wide-ranging ambition (Greatest Dishes of the World) or hyper focus (Buddhist Peace Reci...