The Mystery at the Moss-Covered Mansion (Nancy Drew Mystery Stories, No. 18)

Nancy Drew sets out to prove that her father's client was unjustly accused of trying to sabotage the United States space program...

You might also like:

• The Clue in the Jewel Box (Nancy Drew, Book 20)
• The Quest of the Missing Map (Nancy Drew, Book 19)
• The Secret in the Old Attic (Nancy Drew, Book 21)
• The Message in the Hollow Oak (Nancy Drew, Book 12)
• The Mystery of the Brass-Bound Trunk (Nancy Drew, Book 17)