A Clever Way to Hide Clutter: Behind Fake Books! Martha Stewart Living - Are you looking for a way to hide wires, a router, or maybe your remotes? Hide your clutter in plain sight behind these DIY fake books. Even better, they are easy (and inexpensive!
Find it, Make it, Love it: DIY Board and Batten-Master Bedroom. This is a great tutorial and would work for adding a picture ledge to an old door or window too. May work in the guest space with a ledge less panel covering the electrical panel.