Illustrations and rhyming text follow two mice on their quest to consume the giant wheel of Swiss cheese in the night sky.

"Two enterprising mice, Ginger and Mac, are on a mission to bring home an especially aromatic vanilla cupcake with pink buttercream frosting. They have discovered that the amount of work you need to put into a job can almost always be decreased by using one of six simple machines: a lever, a wheel and axle, a pulley, an inclined plane, a wedge or a screw. Simple machines have only one or two parts that can usually be found around the house -- and...

Twin mice Sydney and Simon compete to create the most interesting project about the Earth's moon for their elementary school, and win the first prize--a chance to meet a real astronaut.