《reading for information》是美国麦格劳希尔教育集团针对美国学生开发的一套分级扩展阅读丛书，这套丛书旨在帮助学生掌握、理解“科学”和“社会科学”文本信息的阅读技巧，同时获得这些学科方面的知识。该丛书共分为5个级别（level），每个级别分为科学和社会科学两大板块，科学板块包括：生命、地球、物理和健康，社会科学板块包括：地理、历史、公民和经济。《美国中小学生拓展读本：阅读广角（level4a经济）》包括经济部分的内容。《美国中小学生拓展读本：阅读广角（level4a经济）》从美国引进。
Goloial American Trade Before You Read Colonial American Trade Section 1: Exploration and Economic Growth Section 2: Economic Growth in the Colonies Section 3: Trade Newspaper Article: New Taxes Anger Colonists Section 4: Triangular Trade
After You Read Glossary Colonial AMerican Economics Before You Read Colonial American Economics Section 1: Colonial Economics Seotion 2: Economic Control of the Colonies Newspaper Article: Tea Party Rocks Boston
After You Read Glossary EconoMic Choices in Earlg AMerica Before You Read Economic Choices in Early America. Section 1: Colonization and the Economy Section 2: Location and Opportunity Cost Section 3: The Value of the Colonies to England Newspaper Article Tea Act Leaves a Bitter Taste After You Read Glossary
