Collins big cat -- micro-organisms: band 18/pearl, paperback/isabel thomas

Not your average science book, this in-depth analysis of the smallest living things in our world gives captivating insight into the wonderful world of microorganisms.

Focusing on bacteria, fungi, protists, and viruses, it explains some of the biggest diseases of our time, as well as the processes of protecting ourselves.

Pearl/Band 18 books offer fluent readers a complex, substantial text with challenging themes to facilitate sustained comprehension, bridging the gap between a reading program, and longer chapter books.