Angelhead by Greg Bottoms

This book is not about a young man's drug induced schizophrenia, but the view of a younger brother watching the young man descend into uncontrollable insanity.  One reads the book, that is following the form of most memoirs about insanity, assuming there will be a hopeful ending for the boy with acute paranoid schizophrenia.  This book proves that sometimes in reality, there is no hope.