Building Homebrew Equipment by Karl F. Lutzen & Mark Stevens
"Despite the dizzying number of gadgets on the market, there is one thing to take solace in -- brewing is a simple science. No matter if you are a beginner using strictly kits or a professional at a 30,000 gallon-a-year microbrewery beer is still made using the five basic simple steps: making wort, boiling, cooling, fermenting, and packaging (carbonating). You can make award winning beer using a simple starter kit. Yet there is equipment that doesn't come with the beginners kit that will help you produce a higher-quality beer. Wort chillers, mashing and lauter tuns, and kegging systems are not required equipment for beginners, but most experienced homebrewers cannot produce their product without them..."