Dive into a new subject with the Know It All series. Each book focuses on a new topic and is packed with fascinating facts and stunning images. There is a lot to know, and this is the perfect place to start. Each of the eight books in this series also has helpful infographics, a table of contents, quiz questions, a glossary, an activity, and an index. This North Star Library series is aligned to reading levels of grades 2-3 and interest levels of grades 3-5.