Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: The 3 books you MUST read to get a full picture of BPD

For consumers:1) "Lost in the mirror" to validate the suffering of someone with BPD2) "The Siren's Dance : My Marriage to a Borderline: A Case Study" to validate what the partner of someone with BPD goes through.3) "Stop Walking on Eggshells; Coping When Someone You Care about Has Borderline Personality Disorder" as a blueprint of how loved ones can deal with the condition.