@book{597,
  keywords = {journalists, FBI, sheriffs, boy detectives, police, private investigators, coal industry, kidnappings},
  author = {Franklin W. Dixon},
  title = {The Mystery in the Old Mine: The Hardy Boys, #121},
  abstract = {Frank and Joe Hardy travel to fictitious Ridge City—a rowdy coal mining town just outside of Pittsburgh—where their friend Liz Trimmer, a mine safety worker, has been kidnapped.},
  year = {1993},
  pages = {154 p.},
  publisher = {Pocket Books},
  address = {New York},
  note = {Franklin W. Dixon  is a pseudonym used by different authors to write The Hardy Boys series.},
  language = {English},
}