Cell phones have changed the way we live. They connect us to the world. They are tiny computers in our hands. Having a cell phone is a big responsibility. Featuring TIME For Kids content, this nonfiction reader discusses the advantages and disadvantages of smartphones. This high-interest title includes detailed photos and sidebars, stimulating facts, and clear informational text to engage students as they build their critical literacy skills. The Reader's Guide and Try It! sections prompt students to connect back to the text, and provide extensive language-development activities that will develop critical thinking. The book includes text features such as a table of contents, glossary, and an index to increase understanding and improve academic vocabulary. Aligned with state and national standards, this text prepares students for college and career. Keep grade 4 students engaged from cover to cover with this exciting reader.