60 days return. Buyer pays for return postage. If you use an eBay delivery label, it will be deducted from your refund amount.
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Ratey provides insight into the basic structure and chemistry of the brain, and demonstrates how its systems shape our perceptions, emotions, and behavior. By giving us a greater understanding of how the brain responds to the guidance of its user, he provides us with knowledge that can enable us to improve our lives.