A Conflict in Thin Air by Prosenjit Das Gupta is a work of non-fiction, inspired by the books based on India and China that at length discuss history, diplomatic stand-off, wars, culture and much more. The author is a well-learnt man who admits reading many books and research papers on Indo-China topic. According to this book, which is nowadays hard to get via offline or online, India's tension with China is not new or rooted in the year 1962. It actually delves deep into the history. The author has provided lucid explanation of 8th century when all three countries (China, Tibet, India) were equal on the lines of trade and often crossed the mighty Himalayan borders to trade with great equality. Next focus on history is when the British started ruling India and at the same time Tibet and China were fighting for their space or say independence scuffle. When China totally took over Tibet, the relationship between India and its biggest geographical neighbor China begins worsening.