Woodworking looks like it's about tools; it's actually about wood — a material that moves with the seasons and rewards those who understand it. Start with a pile of gear and no knowledge and you get expensive firewood. Start with the fundamentals in order and the craft opens up for life.
The path, stage by stage
Our woodworking path begins with the material itself: R. Bruce Hoadley's Understanding Wood — the science of grain, moisture, and movement that explains every rule you'll ever follow — alongside The Complete Manual of Woodworking as the visual foundation. Then the craft's soul: Christopher Schwarz's The Anarchist's Tool Chest (which tools matter and why — and which are marketing) and Robert Wearing's The Essential Woodworker, the best hand-skills instruction ever printed. The Joint Book catalogs every joint you'll choose between, and Scott Landis's The Workbench Book frames the classic first build: the bench itself.
The habit: let the project pick the skills
Don't practice joinery in the abstract — build things slightly beyond your ability, in order: a bench, a box, a shelf, a cabinet, a chair. Each project introduces two or three new operations with stakes attached. The bench comes first because every later project stands on it, literally.
About 100 hours of reading between shop sessions. Follow the path, then put it to work on custom shelving.