The best resources to become an alpha male draw from science, first-hand experience, and the author's expertise. Make sure the author covers all three angles because some marketers and less-than-ideal teachers may prey on still-naive men. Picking a worthy teacher is also important because we learn by example and chances are you will be emulating his personality. Finally, courses with video examples are superior to books because you will learn the most by seeing. And courses with quizzes and exercises can be helpful to help you internalize the mindsets.