Clos is a bacterium living in garden soil. When a dirt girl called Lisa bakes Clos into a mud pie Clos finds out she has a super power to survive! One of a series of illustrated STEM books for early readers introducing children to the extraordinary and foundational hidden universe of microbiology. Based on the ability of bacterium Clostridium to form stress resistant spores, this dirty science story written by Professor Mike Manefield and illustrated by Rodrigo Tomazini introduces children to the idea that bacteria have responses to environmental stress that enable them to survive tough conditions like extreme heat and dessication. This soft cover saddle stitched book has 20 pages, measures 16x16 cm and includes non-fiction information about the story plus an image of the bacterium the narrative is based on. Perfect for reading to infants or for children learning to read. Even university students find them helpful to start imagining life on a microscopic scale.