Take old mustard jars, julep glasses, old paint cans, small flower pots, jadite (milk) glasses, or anything else in your home that isn't being used and repurpose it to contain pens, pencils, highlighters, scissors, bone folders, rulers, or other desktop supplies.
What may appear at first glance to be an unconventional armoire is actually a set of bookcases attached along one side. Opened, it's a compact, self-contained innovative crafts or office nook. Closed, it's far more decorative than any tidied-up desk, without the slightest hint of its contents.
If a sit-down dinner isn't an everyday occurrence, then your dining room can easily double as a discreet office. Any table large enough for a family meal makes a spacious desk, and all other work essentials can be slyly stowed among the china and flatware.