Buildings with hidden spaces ... new budget secret room? The sky's the limit, assuming your room meets fire safety regulations. Purchasing pre-made or custom secret bookcase doors can be expensive.

Discovering secret doorways and hidden rooms is a surprisingly ... The whole point of a secret bookcase is to look ...

and whenever there’s escape rooms paired with technology, [Alastair Aitchison] isn’t far. His latest creation: you guessed it, is a secret bookcase door. For this tutorial, he took a regular ...