Image Title: Popular Living Rooms How To Build A Secret Bookcase Door Regarding In Hidden Plans Designs 11. Filename: popular-living-rooms-how-to-build-a-secret-bookcase-door-regarding-in-hidden-plans-designs-11.jpg. Image Dimension: 497 x 329 pixels. Images Format: jpg/jpeg. Publisher/Author: Nikolas Nolan. Uploaded Date: Wednesday - May 02nd. 2018 18:52:15 PM. Category: Architecture. Image Source: home-designing.com.