The Fourth Edition of Microbiology with Diseases by Taxonomy is the most cutting-edge microbiology book available, offering unparalleled currency, accuracy, and assessment. The state-of-the-art approach begins with 18 Video Tutors covering key concepts in microbiology. QR codes in the textbook enable students to use their smartphone or tablet to instantly watch the Video Tutors. The approach continues with compelling clinical case studies and emerging disease case studies. Student comprehension is ensured with end-of-chapter practice that encompasses both visual and conceptual understanding. This edition retains the hallmark art program and clear writing style that have made Dr. Robert W. Bauman’s book a success.