Instruct: Classify the given review as either positive or negative.
Query: Excellent in breadth and depth

This memoir approaches chronic headache pain from every perspective, developed through her own experience and urgent research: types, sources, doctors, drugs, the pharmaceutical industry, alternative medicine, spirituality, self image, coping, social attitudes, history of approaches and views -- you get the idea. Ms. Kamen is an excellent writer and I enjoyed her spirit and her wit, which she never over-uses as some writers do. She takes a massive amount of information and experience and integrates it in a meaningful way, which is an enormous accomplishment. I have had chronic migraines (though nothing as unremitting as hers), and learned a lot from this book.