This title explores the role of famine weed in introduced environments, how humans helped spread the species, the threats it poses to ecosystems, and efforts being taken to manage it. This book also includes a table of contents, two infographics, informative sidebars, a "That's Amazing!" special feature, quiz questions, a glossary, additional resources, and an index. This Focus Readers title is at the Navigator level, aligned to reading levels of grades 3-5 and interest levels of grades 4-7.