Mark Sway is eleven and he knows a terrible secret. He knows where a body is hidden. Some secrets are so dangerous that it's better not to tell. But it's just as dangerous if you don't. So Mark needs help fast... because there isn't much time. Niveau B1 Ab Klasse 9 Mit integrierten Übungen im Buch Zusätzliches Übungsmaterial für den Lehrer zum Download über www.langenscheidt.de/pearson ukryj opis