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list the most recent five books that mark twain wrote.
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the most recent five books written by mark twain are: 
1. letters from the earth (1909) 
2. what is man? and other philosophical writings (1917)
3. the mysterious stranger and other stories (1916) 
4. mark twain's autobiography (1924) 
5. mark twain's notebooks & journals (vol. 1, 1935)
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