13 Free Microbiology Books [PDF]

Microbiology books open a door to a world too small to see with the naked eye. Our collection brings together 13 free microbiology textbooks in PDF, covering bacteria, viruses, fungi, and the microscopic life that shapes our health and environment.

Every textbook here is open access and legally free to download. You will find materials from OpenStax, Oregon State University, King Saud University, and the Microbiology Society.

The list covers general and medical microbiology, food and environmental topics, and hands-on lab manuals. Pick a section below, download your PDF, and start reading.

• #1

  Microbiology

  

  A comprehensive open-access microbiology textbook from OpenStax covering cell biology, metabolism, genetics, microbial diseases, and immunology, with full-color illustrations throughout.

  Nina Parker, Mark Schneegurt and Anh-Hue Thi Tu

  Format: PDF 1221 pages 34.51 MB

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• #2

  General Microbiology

  

  A concise introduction to microbiology from Oregon State University covering cell structure, bacterial metabolism, viruses, microbial genetics, and pathogenicity in 22 focused chapters.

  Linda Bruslind

  Format: PDF 177 pages 6.54 MB

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• #3

  General Microbiology

  

  University lecture notes introducing microbial diversity, cell structure, metabolism, and growth, with clear diagrams and historical context on key discoveries in microbiology.

  King Saud University

  Format: PDF 89 pages 3.42 MB

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• #4

  Microbiology Today

  

  A special 75th anniversary issue from the Microbiology Society showcasing the real-world impact of microbiology on health, food, environment, and society through accessible feature articles.

  Rowena Jenkins

  Format: PDF 76 pages 3.18 MB

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• #1

  The Short Textbook of Medical Microbiology (Including Parasitology)

  

  A complete medical microbiology reference covering bacteriology, virology, mycology, and parasitology with clinical correlations, pathogen profiles, and diagnostic guidance for medical students.

  Satish Gupte

  Format: PDF 486 pages 9.44 MB

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• #1

  Food Microbiology (B.Sc. Nutrition and Dietetics)

  

  A full university course on food microbiology covering microbial spoilage, foodborne infections, fermentation, biotechnology, and control methods used across the food industry.

  Madurai Kamaraj University

  Format: PDF 454 pages 9.28 MB

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• #2

  Laboratory Manual of Food Microbiology

  

  A practical laboratory manual developed under a UNIDO project covering microscopy, staining, culture techniques, and microbiological testing protocols for food safety analysis.

  Dr. Ciira Kiiyukia (UNIDO Project)

  Format: PDF 209 pages 0.93 MB

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• #1

  Microbiology for Earth Scientists

  

  A modern open-access textbook connecting microbiology with earth sciences, covering microbial roles in biogeochemical cycles, climate, water, and energy systems. Published by New Prairie Press under CC BY 4.0.

  Matthew F. Kirk

  Format: PDF 282 pages 4.74 MB

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• #1

  Microbiology: A Laboratory Experience

  

  A hands-on introductory lab manual from Open SUNY covering aseptic technique, staining, culturing, and microbial identification protocols suitable for community college and general microbiology courses.

  Holly Ahern

  Format: PDF 139 pages 1.36 MB

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• #2

  Microbiology Fundamentals Lab Manual

  

  A modern open-access lab manual from LibreTexts guiding students through core microbiology techniques, experiments, and safety procedures, with structured activities and clear objectives.

  Heather Deter

  Format: PDF 151 pages 6.74 MB

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• #3

  Principles of Microbiology Laboratory Manual

  

  An open-access lab manual from the Open Textbook Collaborative covering microscopy, staining, bacterial growth, antimicrobial testing, and molecular techniques for introductory microbiology students.

  Erin Christensen

  Format: PDF 163 pages 4.33 MB

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• #4

  Basic Practical Microbiology — A Manual

  

  A compact practical manual from the Microbiology Society explaining essential microbiology lab techniques and safety procedures, designed for teachers, technicians, and students.

  Microbiology Society

  Format: PDF 46 pages 1.56 MB

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• #1

  Microbiology for Allied Health Students

  

  A thorough microbiology textbook adapted for allied health programs covering microbial structure, pathogenicity, immunology, and clinical applications relevant to nursing and health science careers.

  Molly Smith and Sara Selby

  Format: PDF 902 pages 22.88 MB

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That wraps up our collection of free microbiology books in PDF. Every title is open access, so you can read online or download without signing up.

Looking for more science resources? Browse our full catalog of free Biology books.

• 

  Bacteriology Books

  Bacteria, infections, cultures. The study of bacteria and their role in nature.

• 

  Virology Books

  Viruses, infection, immunity. The study of viruses and viral diseases.

• 

  Mushroom Books

  Fungi, mycology, spores. The fascinating kingdom of fungi.

• 

  Parasitology Books

  Parasites, infection, tropical. The study of organisms that live on or in hosts.