In this graphic novel, Polly the mermaid's super-fast swimming speed makes her an ideal postal worker. But she dreams of becoming an environmental scientist so she can clean up her underwater world that is filled with too much plastic. With the help of her friends Simone the Sea Turtle and Ollie the Octopus, they come up with a plan to help. This 32-page graphic novel will keep students reading as they learn about environmental science topics.