ISBN-13: 9781444005363 / Angielski / Miękka / 2012 / 192 str.
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?