When was the last time you thought about something you wanted to buy? How would you pay for it? You might have to do a few extra chores to earn the money you need. This is the basis of economics. Find out how America's first economy was started. It has changed many times over the years. Everyone plays a role in the economy - even you! This Spanish book teaches students about economics, and integrates social studies content knowledge and language arts instruction. The detailed images, fascinating facts, and supportive text work together to help students better understand the content. A glossary, index, and table of contents are provided to build readers' comprehension.