Amazon.com description: Product Description: Heavily reviewed for accuracy and quality, this Study Guide Plus is an expanded version of the Study Guide. For every chapter in the text, it contains a chapter summary, a list of learning objectives, a detailed chapter outline, key terms, and people, 3-5 student projects, and a practice test with 30 multiple choice, 20 true-false, 15 short answer, 10 matching, and 5 essay questions. An answer key is provided for all questions. The Study Guide Plus also includes a section on successful study strategies. Available seperately for student purchase, or packaged with the text at a discount.