A free 3-volume set of how people lived a very long time ago

 ...in South Asia. This is the first reliable -- as well as entertaining -- work on lifestyles in ancient South Asia. You can get your free copy over at my time travel -- um, history -- site:

http://associationoftimetravelers.blogspot.com/2018/09/get-your-free-volume-i-here.html

http://associationoftimetravelers.blogspot.com/2018/10/get-your-free-volume-ii-here.html

http://associationoftimetravelers.blogspot.com/2018/11/get-your-free-volume-iii-here.html

For more details, see especially the side column if you're looking at the desktop version.