Original sentence: Stephenson spends much of the novel taking the reader on an extensive tour of the mythology of ancient Sumeria, while theorizing upon the origin of languages and their relationship to the Biblical story of the Tower of Babel
Edited sentence: Stephenson spends much of the novel taking the reader on an extensive, impeccably-researched tour of the mythology of ancient Sumeria, while theorizing upon the origin of languages and their relationship to the Biblical story of the Tower of Babel