using the attached bookshelf reference image add a built in bookshelf that matches the reference exactly in design proportions shelving layout trim details material finish and color position the bookshelf against the wall directly across from the fireplace centered on that wall and scaled appropriately for the room integrate it naturally with the existing architecture so it appears custom built in do not modify the room layout fireplace walls windows doors ceiling flooring or any other architectural elements do not add remove or replace any furniture lighting d cor artwork or accessories the bookshelf should be the only new element introduced preserve the existing camera angle lighting and room composition ensure the bookshelf matches the reference as closely as possible while fitting naturally within the wall dimensions