Amazon Glacier Development Guide - free
(Amazon book about an Amazon service)
http://www.amazon.com/Amazon-Glacier...dp/B00917BC50/
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Amazon Redshift Getting Started Guide - free
(Amazon book about Amazon service)
http://www.amazon.com/Amazon-Redshif...dp/B00BJS1K3I/
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In the Beginning...Was the Command Line - 99 cents
http://www.amazon.com/In-Beginning-W...dp/B0011GA08E/