This is an ebook form only that can be downloaded. The Microbe Manual is written by Elaine Ingham, Ph.D. and Carole Ann Rollins, Ph.D. The Microbe Manual accompanies the Microbe Poster (but sold separately) with extremely detailed and scientific explanations of each of the 32 photos on the poster, with arrows and letter labels to help clarify what you see in each photo and with your microscope. The manual describes how to qualitatively assess soil microorganisms. There are templates for assessment and resources and supplies you will need for your evaluations. No more paying for lab tests for microbiology. This manual will enable you to do all of your own testing. 35 pages $30.95.