Everyone is a trader in the world of trade! While most readers use money to trade things, people used to barter and bargain! Teach young readers how they can trade things every day by buying or selling goods and services. Spanish-translated text, vibrant images, practical examples, diagrams, and mathematical charts all make it fun and easy to learn more about trading. Children will learn about all sorts of markets, including floating markets, online markets, and the stock market. This book introduces readers to the world of commerce, encouraging them to practice number patterns and various mathematical and STEM skills.