Ever wondered what it would be like to be so small that you couldn't be seen with the naked eye? Come on this imaginary journey and explore the microscopic world of living organisms that live alongside, or even inside humans. Each book in this series focuses on the environments that are suitable for these micro-organisms to thrive in and explains the harmful and beneficial effects of these organisms to humans.

שם הספר
Latin American and the Caribbean (World of Music)
Could an Asteroid Hit the Earth? (Star Gazers' Guides)
What's Living in Your Classroom? (Hidden Life)
Deadly Snakes (Wild Predators)
Birds of Prey (Solway, Andrew. Wild Predators.)