One of my favorite book written by Leo Tolstoy is War & Peace
Great ! Did you read his other popular writing?
Yes, of course he is a great writer and all his books are realistic.
Can you please help me finding some of them?
Yes. Anna kareena is another best work of literature in the history by Leo. You should definitely read it.
Thank you dear, I must read that one first. Can you please help me with popular history based book written by Leo? one 
Sevastopol sketches, Anna Karenina, The Kingdom of God is Within You: are some of his greatest writing. which you should definitely read right away.
Thank you again. I feel much interested in reading Kingdom of God first. May I buy them online?
Yes, you may buy them online. but If you are planning to read just one book of Leo you should go for Anna Karenina.
Thank you for your great suggestion. I must follow. I must read all the books you suggested, but I shall read the Anna Karenina first. It is a good policy, is not it?
Your welcome dear. Yes, it is definitely a great policy. I am so happy to help you with these suggestions.
Thanks a lot dear.
You are always welcome dear. Take care