Instruct: Classify the given Amazon review as either positive or negative.
Query: Unreliable Source

The Saddocks do bad job in the section on ME in the unabridged textbook with many falsehoods included and also in the concise textbook ME is not addressed except en passant as the only disease mentioned as being associated with mixed depression/anxiety which is misleading to say the least. I expect they do a similarly bad job here. This book will get a five star review once authors include accurate info such as that in the Canadian Consensus Criteria on ME/CFS.