In this DIY project, I built a custom bookcase Murphy door that doubles as the entrance to my daughter’s closet. What looks like a built in bookshelf actually swings open to reveal hidden storage space! This hidden door bookcase is perfect for adding style, functionality, and a little mystery to any room. It saves space, creates a statement piece, and gives off major “secret passageway” vibes, all while being practical for everyday use. If you’ve ever wanted to learn how to build your own Murphy