The smallest living things life revealed by the microscope. This book, "The smallest living things life revealed by the microscope. Volume 1", by Gary N. Calkins, is a replication of a book originally published before 1932. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.