This book is about a symbiotic relationship. It tells the story of a Bobtail squid and the bacteria that help it glow in the moonlight. First we meet Ali, an intrepid Vibrio fischeri bacterium determined to reach safety. Then we meet Sepio, a baby Bobtail squid who is still unable to glow. His dark shape is too obvious in the moonlit water and all kinds of predators lurk nearby.Can Ali and Sepio help each other? What kind of dangers do they face? What can we learn from their adventure?The Squid, the Vibrio & the Moon was researched by a microbial ecologist and checked over by a team of scientists. It was created by a writer and an illustrator in love with the wonder of science. We wanted to share this amazing story with you.