We may receive a commission on purchases made from links. Buildings with hidden spaces have long been a subject of public interest, with plenty of real-world history from ancient Egyptian tombs ...

The whole point of a secret bookcase is to look undetectable when it's closed, so having a big, visible door handle ruins the ...

If you touch the secret book or knock out ... duty linear actuator pushes or pulls the door as necessary, onto which [Krizbleen] expertly mounted the bookcase with some 2″ caster wheels.

His latest creation: you guessed it, is a secret bookcase door. For this tutorial, he took a regular book shelf and mounted it onto a wooden door, with the door itself functioning as the shelf’s ...