The document discusses the top five non-obvious Drupal modules presented by Russ Bomhof and Geoff Hing during a meeting of the Chicagoland Library Drupal Group. These modules include Nodequeue, Module Grants, Menu Block Split, Views Accordion, and Pathauto with a custom token, each serving specific needs for web development and content management. The presentation emphasizes the importance of strategic planning for website functionality rather than solely relying on maintenance methods or personnel skills.