Find on Amazon Tiny Creatures. The World of Microbes By: Nicola Davies, Age: 4+ | Published by: Emily Sutton ISBN: 9780763673154 Keywords: bacteria, bad microbes, biodiversity, biology, composting, cut, E. coli, ecology, ecosystem, fermentation, germs, good microbes, Grade 6 Ontario Science, health, microbes, microscopic, mouth, nose, paramecium, polio virus, recycling, science, sickness, soil, soil creation, yogurt,