| The shattered helmet / Franklin W. Dixon |
| The reappearance of Rachel Price / Holly Jackson |
| The night war / Kimberly Brubaker Bradley |
| The phantom of Pine Hill / Carolyn Keene |
| The mysterious mannequin / Carolyn Keene |
| The clue of the hissing serpent / Franklin W. Dixon |
| The masked monkey / Franklin W. Dixon |
| Men of iron / Howard Pyle |