A disheveled mission-style china cabinet languished in a Habitat for Humanity ReStore in Philadelphia, with no glasses, shelves, a door that refused to open, and a price tag of $35 that most passed by without a second glance. Theresa Clement, a DIY blogger, contractor, and lifelong tool enthusiast, saw a bookshelf waiting to happen. Six hours, a can of cobalt-blue spray paint, and some scraps of pallet wood later, that's exactly what it became.