The Hardy Boys

The Pentagon Spy by Franklin W. Dixon

The Hardy Boys #61

The Pentagon Spy

Franklin W. Dixon

192 pages • 1980 • 1 edition

fiction middle grade mystery adventurous lighthearted mysterious fast-paced
The Apeman's Secret by Franklin W. Dixon

The Hardy Boys #62

The Apeman's Secret

Franklin W. Dixon

192 pages • 1980 • 2 editions

fiction middle grade mystery mysterious fast-paced
The Mummy Case by Franklin W. Dixon

The Hardy Boys #63

The Mummy Case

Franklin W. Dixon

192 pages • 1980 • 2 editions

fiction middle grade mystery adventurous mysterious medium-paced
Mystery of Smugglers Cove by Franklin W. Dixon

The Hardy Boys #64

Mystery of Smugglers Cove

Franklin W. Dixon

192 pages • 1980 • 10 editions

fiction middle grade mystery adventurous mysterious slow-paced
The Stone Idol by Franklin W. Dixon, Leslie H. Morrill

The Hardy Boys #65

The Stone Idol

Franklin W. Dixon, Leslie H. Morrill

192 pages • 1981 • 3 editions

fiction middle grade mystery adventurous mysterious medium-paced
The Vanishing Thieves by Franklin W. Dixon

The Hardy Boys #66

The Vanishing Thieves

Franklin W. Dixon

192 pages • 1981 • 2 editions

fiction middle grade mystery adventurous mysterious medium-paced
The Outlaw's Silver by Franklin W. Dixon

The Hardy Boys #67

The Outlaw's Silver

Franklin W. Dixon

192 pages • 1981 • 2 editions

fiction middle grade mystery adventurous dark mysterious fast-paced
The Submarine Caper by Franklin W. Dixon

The Hardy Boys #68

The Submarine Caper

Franklin W. Dixon

187 pages • 1981 • 5 editions

fiction middle grade mystery adventurous lighthearted mysterious slow-paced
The Four-Headed Dragon by Franklin W. Dixon

The Hardy Boys #69

The Four-Headed Dragon

Franklin W. Dixon

176 pages • 1981 • 2 editions

fiction middle grade mystery adventurous mysterious tense fast-paced
The Infinity Clue by Franklin W. Dixon

The Hardy Boys #70

The Infinity Clue

Franklin W. Dixon

160 pages • 1981 • 2 editions

fiction middle grade mystery adventurous mysterious slow-paced