A bestselling author's verdict. [By Anuja Chauhan] They say one of the greatest simple joys you can experience is to become a tourist in your own city. Just two books have actually made me do that – the first is William Dalrymple’s City of Djinns - and the second is Mayank Austen Soofi’s The Delhi Walla series. As winter creeps in, and the urge to bunk work and wander through the city in the winter sun kicks in, you can have no better companion than these slim, extremely well researched and evocatively written volumes. They’re light enough for you to carry a pattal of hot, smoky, masala and nimbu sprinkled shakkarkandi in your other hand, and they don’t look at