New project! Picked up the lumber for the library wall (the big note); just need to finish packing everything up and moving it all out of the room before starting construction. First step: removing the window between the library and the guest bathroom... The hole in the wall will be covered on the library side by the 1/4" (~6mm) plywood I'm using as the back of the bookcase (neatly solving the problem of the too-heavily-textured formerly-exterior stucco walls); when I start working on the room on the other side of those glass doors I'll fill the space with built-in shelves.