If your budget is truly zero, you can still learn traditional woodworking from high-quality, public domain, or Creative Commons PDFs. Here are three excellent substitutes while you save up for Wearing:

The PDF version is particularly suited for:

First published in 1994 (and revised in 2004 by Lost Art Press), The Essential Woodworker is not another glossy coffee-table book full of showpiece furniture. It is a raw, distilled, no-nonsense manual on how to use hand tools to create precise, strong, and beautiful joinery.

Robert Wearing focuses on teaching the "neat and workmanlike" methods that an 18th-century master joiner would recognize. Unlike many modern guides, it fills the gap for beginners who lack a master craftsman's guidance by focusing on: