3 books in series
Hardy Boys: Killer Mystery
Hardy Boys: Killer Mystery is a 3-book series with 3 released primary works first released in 2009 with contributions by Franklin W. Dixon.
| #1 |  Killer Mission Killer Mission
| 3.5 | 2 reads | ||
| #2 |  Private Killer Private Killer
| 4 | 1 read | ||
| #3 |  Killer Connections Killer Connections
| 4 | 1 read |