Peter Lancett 
Day is Dark [PDF ebook] 
Set Three

The Dark Man must help a girl he has met before. She is held by the Shadow Masters, in a place where day has become night. When he finds her, the Dark Man discovers that the darkness is alive!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.