Book set features science-focused readers and activity sheets to help young learners reinforce and develop important skills. Daily practice sheets cover a variety of topics and include age-appropriate activities that are aligned to national and state standards. The enclosed, individual readers discuss scientific concepts in a fun way. Text features, such as bold print, captions, index and a glossary, increase comprehension. Book set with digital resources includes A Butterfly's Life, Nature Made, Too Much Trash!, and Getting Ready for First Grade.