Every building has secrets. But some secrets were never meant to be discovered.
What begins as an ordinary architectural assignment soon becomes a mystery that challenges everything one man believes he knows about the building he has been hired to work on.
While reviewing drawings, studying floor plans, and examining the details of a renovation project, he begins noticing something unusual.
The building's layout doesn't quite make sense.
Certain measurements seem inconsistent. Spaces don't align as they should. And behind Door 306, something appears to exist that was never properly documented.
At first, the discrepancies seem like simple architectural mistakes. But the deeper he investigates, the more questions emerge.
Why doesn't the hidden space appear on the drawings?
Who knew about its existence?
And why was it concealed?
As his investigation continues, an ordinary renovation project becomes a journey into a mystery buried within the walls of a building.
Every discovery brings him closer to the truth-but also raises the possibility that some secrets were deliberately left undisturbed.
The door was never hidden. What lay behind it was.
Door 306 is an intriguing mystery novel blending architectural investigation, suspense, hidden spaces, and the unsettling realization that even familiar buildings can hold extraordinary secrets.
Sometimes the greatest mystery is not what we can see, but what someone has gone to great lengths to keep unseen.
By Fouad Fred Hadavi