This informative book explains the life cycle of a butterfly, including the stages of development and changes it goes through to become an adult. The book also includes a table of contents, one infographic, informative sidebars, a "That's Amazing!" special feature, quiz questions, a glossary, additional resources, and an index. This Focus Readers title is at the Pioneer level, aligned to reading levels of grades 1–2 and interest levels of grades 1–3.