The Number File
The Number FileFranklin W. DixonThe Hardy Boys Casefiles, book 17
Characters in The Number File
4 characters, main characters first.Main characters
Frank Hardy
Also in Dead on Target, See No Evil, Hostages of Hate, Brother Against Brother, Perfect Getaway, Blood Relations, Line of Fire, Nightmare in Angel City, Street Spies, Double Exposure
Joe Hardy
Also in Dead on Target, Brother Against Brother, Perfect Getaway, Blood Relations, Line of Fire, Nightmare in Angel City, Witness to Murder, Street Spies, Double Exposure, Scene of the Crime
Antagonists
Bernhard Kruger
Supporting characters
Fenton Hardy
Also in Edge of Destruction, Brother Against Brother, Blood Relations, Blood Money, Flesh and Blood, No Mercy, The Phoenix Equation