So, open the PDF. Scroll past the table of contents to Chapter 3—"Tools and Workshop." Check that your fire extinguisher is charged. And then start cutting. Your first chopper might be crooked. Your first scooter might shake. But your third one? That one will be pure evil genius.
You might ask: Why specifically the PDF? Why not buy the hardcover? Bike- Scooter- and Chopper Projects for the Evil Genius.pdf
The book was written when steel was cheap. If the project calls for "1-inch DOM tubing" and you have only "EMT conduit," the PDF includes a "Danger Zone" sidebar explaining when materials are interchangeable and when they will kill you. So, open the PDF