Finding room for a desk in your small space can be a challenge. And when you’re trying to get motivated to accomplish a task or two at home, the last thing you need is another obstacle. So if you’re low on square footage, a wall-mounted desk or built-in work surface can be a great space-saving solution, providing roughly the same work area with a smaller footprint. Whether you prefer a surface built into existing storage, a simple plank that drops down from a wall-mounted shelf, or a table th...