This is 277 page PDF doc outlining some amazing insights and experience from an experienced online marketer.
Marketing Secrets Blackbook
He has categorized hissecrets according to six marketing principles:
Foundations Becoming an Expert Offers Funnels Sales Mindset
*I have not read this, but it's on my reading list. I have an entire filefolder dedicated to SEO and Digital Marketing eBooks that I had jump through multiple hoops to get. Happy to share more.