Mason bees usually live in hollow reeds or holes in wood, but here's how to make a home just for them: Tear out the perforated paper in this book, roll the sheets into tubes, enclose the tubes using the book's cover, and hang the structure outside. The bees will arrive, pack mud into the tubes, and begin pollinating all the plants in your backyard. A writer for Bill Nye the Science Guy, Lynn Brunelle's text introduces kids 9 to 12 to this amazing bee, including 20 experiments plus fun exercises, activities, and illustrations.