The Peco 'Shows You How' series of booklets give practical, clearly laid out information and instruction on a wide range of model railway topics. There are many considerations to take into account when planning a layout - siding, loop and headshunt lengths, clearances and many others. Most important is that your layout will enable you to operate your railway in the way that gives you pleasure, this booklet will help you ensure that you have considered all the relevant factors before starting to build.