The right side of your brain specializes in recognizing shapes and visualizing them in space. Engineers, architects, carpenters and map readers are strong in this skill. This is brain-candy for them and a test of knowledge for collectors of antique household items and tools. Sharp, detailed photographs of collectible antiques and curiousities with descriptions of their use plus old-time household tips and remedies. If you can identify 10% of them before you have to turn the page for the answer you are doing well. Featured on The David Letterman TV show.