The barrier was never fitness, and it was never money. It is that nobody hands you a map. Forty pieces of equipment, no instructions worth reading, a vocabulary you are apparently supposed to already have, and a room full of people who all seem to know exactly where they are going. So the membership stays a thing you will sort out once you have looked into it properly, and the months keep going by.
The Weight Room Handbook is a practical guide to your first month in a gym. What the room actually contains, zone by zone, and which parts of it you can ignore. A script for the first ten minutes of your first visit. The five movements worth knowing, each with a free weight version and a machine version, because both are real training. How a rack, a bar, and a set of plates work, including how to fail a rep safely. How a session is shaped and how the weight goes up week to week. It ends with eight sessions you fill in yourself, and the unwritten rules of the floor, written down.