Two books worth reading whether Logos offers them or not would be:
Jean Vanier; Made for Happiness Discovering the Meaning of Life with Aristotle,
Gregory Nagy; The Ancient Greek Hero in 24 Hours.
http://www.amazon.com/Made-Happiness-Discovering-Meaning-Aristotle/dp/0887846696/ref=sr_1_1?ie=UTF8&qid=1384130133&sr=8-1&keywords=jean+vanier+happiness
http://www.amazon.com/The-Ancient-Greek-Hero-Hours/dp/0674073401/ref=sr_1_1?ie=UTF8&qid=1384130101&sr=8-1&keywords=the+ancient+greek+hero+in+24+hours
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