The World Around Us: Rivers

Level 2 guided reader that teaches young readers concepts about rivers, how they are formed, their importance in the ecosystems, and ways to keep them clean.|Index|Sources for further research|Glossary of key words|Table of contents|Author/Illustrator biography|Early guided readers in the 21st Century Basic Skills Library support the development of reading skills as they introduce students to vocabulary and content that they will use for a lifetime. The content is aligned to the Partnership for the 21st Century Skills framework content standards and supports the new Common Core State Standards Initiative.