ISBN-13: 9781444000597 / Angielski / Miękka / 2010 / 368 str.
The Black Vine Swamp lay before them, dark, mysterious, and full of secrets. Mrs Starch, the fiercest, most formidable teacher in school steps down one of the trails and vanishes in the blink of an eye. Nick and Marta are determined to find out what is going on.