Around the same time as Robert Hooke, a Dutch scientist Antonie van Leeuwenhoek, also observed cells with his improved microscope. He is now known as âthe father of microbiologyâ and was the first to observe a live cell under a microscope.e discovered many different types of cells including bacteria, sperm, muscle fibers and protozoa. He was also made the first description of a red blood cell. It wasnât until 1839 that Theodor Schwann and Matthias Jakob Schleiden co-founded the principal of cell theory.
Average Chapter length 748 words, Range 935 words, Median 803 words. Jon was a little all over the place in terms of chapter length. That range is almost 300 words more than my longest chapter. From these numbers I learned: a) counting is not fun. b) There are no set rules for chapter length in a publishable book. c) Having an average does help set limits and determine chapter breaking points.
The average nonfiction book, if such a thing exists, runs about 50,000 to 75,000 words, but this can vary depending upon category. Biographies, for example, can run 200,000 words. How-tos or self-help usually have 40-50,000 words. The average adult novel runs approximately 100,000 words while those in other categories run 80-120,000 words. Every category will have an average length, including childrenâs books, young adult, business books, etc. You can use comparable, successful books as models to determine the length you book âshouldâ be. An ebook could be 3,000 words or as long as a full-length book.