Download or read book Doc Mortis (Invisible Fiends, Book 4) written by Barry Hutchison and published by HarperCollins UK. This book was released on 2011-08-04 with total page 290 pages. Available in PDF, EPUB and Kindle. Book excerpt: The fourth thrilling book in this darkly funny, horror series Darren Shan called ‘deliciously nightmarish’. The first book, Mr Mumbles, is shortlisted for the Royal Mail Awards for Scottish Children's Books.