Mia must find a way to bring a wild greenhouse garden under control before it takes over the entire school in this thirteenth adventure of the Mia Mayhem chapter book series!Mia Mayhem finds herself in an unbe-LEAF-able situation when her superhero training program starts a Mega-Botany class. Mia is tasked to grow her own plant with super seeds collected from all corners of the Earth...and beyond. However, it turns out that super seeds don't moss around and now Mia's plant won't stop growing until it takes over the world! With easy-to-read language and illustrations on almost every page, the Mia Mayhem chapter books are perfect for emerging readers.