The Shadow Masters have called a machine from the Realm of Screams. The machine can do much harm. The Shadow Masters have called a machine from the Realm of Screams. The machine can do much harm. The Dark Man must find the machine before the Shadow Masters can use it. This book is part of the Dark Man Series, a range of books for emergent teen and adult readers. With only a limited vocabulary, these gritty and mysterious books pull readers into the tense storyline. The sinister atmosphere and strong black-and-white illustrations ensure that the book appeals to older readers and isn't patronising. This is one of the higher level stories in the Dark Man series, offering a degree of progression for more able readers.