Under the Microscope: A Bit of Science with Lots of Interesting Observations at Home and Outdoors, and DIY Microscope Instructions by Frederick Leroy Sargent, Mary Treat, and Samuel Wells is a fascinating journey into the world of microscopy. In the book, readers will find an overview of the basics of microscopy, as well as numerous interesting observations that can be made both at home and during walks. The authors share useful tips and instructions for a home-made microscope, which allows everyone to create a device for research that is invisible to the naked eye. Only the imagination limits the possibilities of what can be discovered in a world that remains invisible without a microscope.