Hardy Boys: Killer Mystery
مجموعه کتابها
توسط Franklin W. Dixon
جدیدترین:
2010
کتاب 1
Killer Mission: Book One in the Killer Mystery Trilogy
توسط Franklin W. Dixon
کتاب 2
Private Killer: Book Two in the Killer Mystery Trilogy
توسط Franklin W. Dixon
کتاب 3
Killer Connections (Book Three in the Killer Mystery Trilogy)
توسط Franklin W. Dixon