Affiliate Marketing Secrets

Peace Gamble is meant to bring you lots of rich resources on relationship, interior décor, science, technology, finance, politics, gadgets, health, fitness and medicine, education, adolescents, psychology and sports and so on.
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http://www.peacegamble.com

I’ve written my book and its finally on amazon
Its called fight gambling secrets exposed
And its primary target is males that gamble
How do I go about this? News papers? Websites? fight magazines? Since its already on all the major online book distribution websites how do I go about marketing it?