Hall Xtra!, packaged with every new textbook, provides complimentary access to the following set of online learning tools. Visit Hall Xtra! and see the DEMO. (If you have a used textbook, you can purchase access to the Hall Xtra! Web site at: http://hallxtra.swlearning.com).
	Diagnostic Pretests offer diagnostic self-assessment on student comprehension of each chapter and an individualized plan for directed study.
	Master the Learning Objectives provides step-by-step instructions for each chapter's learning objectives to systematically guide the student to a deeper understanding of concepts.
	Using the Theory Online Use the three key steps outlined in your textbook to solve the graphing problems presented.
	The Graphing Workshop is a one-stop learning resource for help in mastering the often difficult language of graphs. A unique learning system made up of graphing tutorials, interactive drawing tools, and exercises that teaches the student how to interpret, reproduce, and explain graphs.
	CNN Video Clips and exercises let the student see economics in action, in the real world, to help learn theoretical material by applying it to current events.
	Ask the Instructor Video Clips, featuring Professor Peter Olson at Indiana University, provide the student with an opportunity for review and clarification of difficult material.
	Economic Applications (e-con @pps) links - EconData and EconDebate online features that closely relate concepts discussed in the text to the latest contemporary applications.
	Xtra! Quizzing - More online quizzing for further review and study.