Alex Hormozi, who runs Acquisition.com with his wife Leila, wrote this as the follow-up to $100M Offers. It argues that a good offer still fails if too few people hear about it, so the real job is getting more engaged leads: people who have shown interest in what you sell. The spine of the book is the Core Four, the only four ways to let people know about you: warm outreach, posting free content, cold outreach and paid ads. Once one of them works, lead getters (customers, employees, agencies and affiliates) can run it for you. Around that sit the lead magnet, a free solution that starts the conversation, and the Rule of 100, a fixed daily volume of work. He writes from businesses he has run himself, with checklists and worked examples rather than research studies.
The book is a manual, not a theory. Hormozi's view is that getting attention is work you schedule, the same as delivering the product. You pick a method, you do a fixed amount of it every day, and you look at the numbers before you decide it does not work.
It also puts the methods in an order. Start with what costs nothing and uses trust you already have. Add reach as you learn. Then, once something works, get other people to do it for you, because one person's day only holds so many messages.