Amazing things happened in California during the twentieth century. People came from all over the world to settle in the Golden State. Today, it is home to more than 38 million people, and the state's economy is one of the biggest in the world. Explore California's history with this Interactiv-eBook that builds literacy and social studies content knowledge. By studying primary sources like maps, historical cartoons, letters, and images, students will be prompted to ask questions, and encouraged to consider bias and the validity and reliability of sources. Aligned to the National Council for Social Studies (NCSS) and other national and state standards, the book is leveled to support above-, below-, and on-level learners. Read and Respond immerses students in the content through diverse, engaging activities related to the content. The Your Turn! activity challenges students to connect to a primary source through a writing activity. With essential text features like a glossary, index, captions, sidebars, and table of contents, this informational text will engage students in reading about California's rich history.