Secret Door Bookcase : 18 Steps (with Pictures) - Instructables
A stylish double closet doors with shelves
TamBee Door Pivot Hinge Heavy Duty Hidden Bookcase Hinges Secret Door Hinges 360 Degree Shaft Stainless Steel Invisidoor Hinge Hardware (I Shape 2PCS) - - Amazon.com
DIY "Secret Door" - How We Built the Door
Hidden Doors | Hidden Bookcase Door | Secret Bookshelf Door– Murphy Door
Unassembled Paint Grade Flush Mount Bookcase Door– Murphy Door
An innovative& Stylish and Unique Single bookshelf Door