Escher is a bacterium that goes on an underground adventure from the warm comfort of a small boys intestines through the sewer to a wastewater treatment plant! One of a series of illustrated books for early readers introducing children to the extraordinary and hidden universe of microbiology. Based on the most famous bacterium Escherichia coli, this humorous journey written by Professor Mike Manefield and illustrated by Purple Wong introduces children to their own microbiome (community of bacteria living inside them) and to the most important biotechnology of all time - wastewater treatment! This soft cover saddle stitched book has 18 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. Heck, even university students find them helpful to start imagining life on a microscopic scale.