This nonfiction book focuses on the history and growth of four cities in California: Fresno, San Francisco, Sacramento, and Los Angeles. This primary source text builds students' reading skills and social studies content knowledge. The intriguing primary source maps, letters, documents, and images provide authentic nonfiction reading materials and keep students interested in learning. Text features include a glossary, index, captions, sidebars, and table of contents. This book connects to California state studies standards and the NCSS/C3 Framework and features appropriately leveled text to meet the needs of students reading at different levels. Additional features include Read and Respond and a culminating activity that prompt students to dive deeper into the text for additional reading and learning.