Click on this link to find some of the best stair building books on the Internet. Every once in a while I come across a stairway that might not make a lot of sense, until I start thinking about the entire design. This particular stairway and the center handrail without the two outer guardrails, might work for a building you’re planning on designing in the future and could save you a lot of money. Think of the additional cost of adding two extra guardrails and one center handrail, but keep in mind it will work in every situation. Don’t forget to visit our website for more tips and ideas on how to design and build stairs.