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 ## Nature
 | Name | Author | Goodreads Rating | Year Published |  
 |------|--------|------------------|----------------|  
-| Pilgrim at Tinker Creek | Annie Dillard | [4.11](https://www.goodreads.com/book/show/12527.Pilgrim_at_Tinker_Creek) | 1974 |  
+| The Sixth Extinction: An Unnatural History | Elizabeth Kolbert | [4.13](https://www.goodreads.com/book/show/17910054-the-sixth-extinction) | 2014 | 
+| Pilgrim at Tinker Creek | Annie Dillard | [4.11](https://www.goodreads.com/book/show/12527.Pilgrim_at_Tinker_Creek) | 1974 |
+
 
 ## Credits
 * [@hackerkid](https://github.com/hackerkid) for starting the list.