If you are planning to travel to India or just evaluating your next travel destination, this book might be useful to you. It is not a travel guide to India, it's a companion book to India travel guide.
55 Must See Places: This section contains a photo and a short description of 55 important tourist locations in India. You can use it to evaluate and shortlist places you would like to visit, while in India. This is not a comprehensive list, it contains only those places considered important by the author.
50 Must Do Things: There are many things you can do while in India apart from visiting tourist places. This section provides a list of 50 such unique and interesting things (with photos) that you can do while in India, to keep yourself amused.
This 2nd edition contains a third section, 'List of Recommended Services for Tourists visiting India'. If you want to buy a cellphone connection in India, for example, you can refer to this list for good & trusted vendors.