The Mystery of the Invisible Spy

There's a new resident in Castle Key — and somebody is watching him! Scott, Jack, Emily and Drift soon suspect that the new resident is an enemy spy. It explains the bullet-proof glass in the windows of his house. And the MI5 agent who is clearly keeping tabs on him! But what is an enemy spy doing in Castle Key?

• Author
• Helen Moss

• Format
• paperback

• Pages
• 192

• Series
• Adventure Island

• Publisher
• Hachette Children's Group

• Language
• english

• ISBN
• 9781444005363

• Genres
• mystery, childrens

• Release date
• 2012