“an introduction to the odyssey”: the odyssey is a story marked by cheerfulness and a feeling of post-war optimism and certainty.
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false

This is definitely false, given that the Odyssey is a story about conflict following the Trojan War, and there is little optimism involved in the book past the first section.  I, personally, really enjoyed reading the Odyssey and hope you will as well.  You certainly will if you are interested in the fine details regarding the Greek mythological stories and pantheon.  I hope this helps, have a nice day! :)