On The One Wiki to Rule Them All, find information about 'The Silmarillion'. Specifically, identify what historical period of Middle-earth it primarily covers, who edited the work for posthumous release, and name one of the illustrators frequently associated with its different publications.
Navigate to 'The One Wiki to Rule Them All' (lotr.wikia.com). Use the search bar to find 'The Silmarillion' page. Click on the search result for 'The Silmarillion' to navigate to its page. Identify the historical period of Middle-earth primarily covered by 'The Silmarillion' from the introductory text. Locate the 'Editor(s)' section and identify who edited the work for posthumous release. Locate the 'Illustrator' section and name one of the listed illustrators. State the identified historical period, editor, and illustrator.
The historical period covered is identified as Middle-earth's ancient history and the First Age. Christopher Tolkien is identified as the editor for posthumous release. One of the following illustrators is named: John Howe, Alan Lee, Ted Nasmith, Roger Garland, Darrell Sweet, Maximilian Meinzold, Tibor Csernus, Mike Dringenberg, or Dietrich Ebert.