![InvisiDoor 36 in. x 80 in. Flush Mount Ready-to-Assemble Unfinished Maple Interior Bookcase Door with Trim Molding IDBC36RTATKMAHK - The Home Depot InvisiDoor 36 in. x 80 in. Flush Mount Ready-to-Assemble Unfinished Maple Interior Bookcase Door with Trim Molding IDBC36RTATKMAHK - The Home Depot](https://images.thdstatic.com/productImages/368fcc2d-8d77-4e73-82da-b8ce7077de63/svn/unfinished-maple-invisidoor-hidden-doors-idbc36rtatkmahk-1f_600.jpg)
InvisiDoor 36 in. x 80 in. Flush Mount Ready-to-Assemble Unfinished Maple Interior Bookcase Door with Trim Molding IDBC36RTATKMAHK - The Home Depot
![Property Developer Discovers Secret Passageway Behind Bookshelf in 500-Year-Old House | Smart News| Smithsonian Magazine Property Developer Discovers Secret Passageway Behind Bookshelf in 500-Year-Old House | Smart News| Smithsonian Magazine](https://th-thumbnailer.cdn-si-edu.com/hlZfWsap2G0AYtJ296EXAJSW664=/fit-in/1600x0/filters:focal(700x527:701x528)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/a3/57/a357a8d8-9885-4e30-bbe2-7dfb47a17464/ssecret.jpg)
Property Developer Discovers Secret Passageway Behind Bookshelf in 500-Year-Old House | Smart News| Smithsonian Magazine
![InvisiDoor 36 in. x 80 in. Flush Mount Ready-to-Assemble Unfinished Maple Interior Bookcase Door with Trim Molding IDBC36RTATKMAHK - The Home Depot InvisiDoor 36 in. x 80 in. Flush Mount Ready-to-Assemble Unfinished Maple Interior Bookcase Door with Trim Molding IDBC36RTATKMAHK - The Home Depot](https://images.thdstatic.com/productImages/a55f2f8b-be90-43f0-abd2-ab73bbbf7484/svn/unfinished-maple-invisidoor-hidden-doors-idbc36rtatkmahk-fa_600.jpg)