Bookhouse Latrine is the outhouse design exercise in the Garden City Lands, Richmond, Canada. As the usage of physical books is on the decline in the digital age, the Bookhouse Latrine project is the architectural attempt to recycle or recirculate physical books for public. A waterless composting toilet was placed in the centre. Wooden bookshelves were designed to be a load-bearing structure, and books on the shelves become “walls.” Depending on the types of books or materials used, a program of Bookhouse Latrine could be variously changeable. For example, it can transform into a chapel (bibles), a meditation retreat (sutras), a dvd storage (dvds), a thrift store (recycled clothes) or a stuffed animals house (stuffed animals), etc.