The Mark Twain's my favorite author
Yes, he's awesome.  Nothing beats Tom Sawyer.  He was a great orator too.
Please tell me his history
Well, for starters, his real name is Samuel Clemons.  
OK go further history Please
He loved steam boats and derived his name, Mark Twain, from how they measured a river's depth. 
Ok nice What a great man he is
Have you read Lonesome Dove?  McMurtry is a good writer too.
No I have not read
What have you read beside Mark Twain?