The Peco 'Shows You How' series of booklets give practical, clearly laid out information and instruction on a wide range of model railway topics. This booklet uses simple, clear diagrams to show the basic concepts of layout wiring, including an explanation of the difference between Insulfrog and Electrofrog Turnouts. See also booklets Wiring the Layout Part 2 (No 5) which leads on from this publication to more advanced techniques, and Wiring the Layout Part 3 (No 21) which explains the neccesary wiring for Electrofrog 3 Way Turnouts, Crossings and Single and Double Slips.