This is a wonderful project. Combo bookshelf and door for your secret room . It’s amazing
Materials :2 sheets of 1/4″ sanded plywood ,6 panels of 3/4 x 15 1/4 x 96 laminated pine project board),A few lengths of 2×4 construction lumber (or similar).The Murphy Door kit , which contains a neat collection of ruggedly built hardware.Pocket screws and Miller dowels;Total cost for the project was less than $500 (CAN).Tools:A table saw, a miter saw, hand planer, router, drill etc.A circular saw with a good guide plus assembly tools .
source:wonderfuldiy