Secret Bookcase Door

Built-in Bookshelf is Actually Hidden Door

Custom Bookcase Closet Door

Bookshelf Swings Out to Reveal Hidden Closet

This bookshelf door posted to GardenWeb is mounted on 3 large hinges and swings out to reveal a secret broom closet. The hinges are visible on the right hand side, so it’s not a complete secret. However, it still serves it’s purpose nicely.