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Active 16h ago
Bio: I help publishers spending $3,000+ on Amazon Ads turn wasted dollars into massive royalties and rank-dominating book launches.
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@john-valle-1610
Soy John Valle. Me dedico a la docencia y estoy intersado en la publicación de libros de bajo y mediano contenido.
Active 488d ago
Joined Sep 25, 2023
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