One of Minecraft"s more complex and interesting aspects is redstone. At its most basic, redstone allows you to place a lever or a pressure plate to open a door. At its most complex, redstone allows you to create working calculators and massive automated constructions. From locking doors to hidden traps to machines that can be "programmed" to play songs, the possibilities are endless. We"ll explore exactly what redstone is, how we can use it, and the tools that are part of working with redstone. We"ll also look at some projects, breaking them down step by step, so that you can see redstone in action. Soon you"ll be using redstone with ease!