The document provides information about themes in John Steinbeck's novel Of Mice and Men. It discusses how themes are not directly presented in fiction but must be extracted from characters, actions, and settings. Specific themes in Of Mice and Men are mentioned, including dreams, friendship, loneliness, and prejudice. One section analyzes how Steinbeck presents the character of Crooks as lonely through his description of Crooks as "proud" and "aloof" and through Crooks' own bleak view of never achieving the American Dream of owning land.