Who among the following authored the influential landmark book titled 'Hind Swaraj' in 1909?

Who among the following spiritual figures authored the famous inspirational book 'Powers of the Mind'?

Who among the following was the author of the book 'Poverty and Un-British Rule in India'?

Which of the following Indian Freedom Fighters authored the famous book titled 'Hints for Self-Culture'?

Who, among the following, wrote the book ‘Bahuvivah’?

Who wrote the book 'Hind Swaraj'?