Can anyone tell me what the Amber books are mainly about? I am good with grasping info from text. I have watched their video (Amber videos) and that seems too confusing to me. Any recommendations? Are the Amber books more concise then the Ballast books? I am using these as a secondary resource to reinforce info from the APPH for sure. Any comparison between that and Black Spectacle? I am debating on that. I have subscribed to Black Spec for PcM which I failed and found the exam too easy and didn't cover the Calculations part.
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